Single nozzle filament change (#11994)

Marlin/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/default/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/AliExpress/CL-260/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Anet/A2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Anet/A2plus/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Anet/A6/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Anet/A8/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Azteeg/X5GT/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 #define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/BQ/Hephestos/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/BQ/WITBOX/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Cartesio/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/CR-10/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/CR-10S/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/CR-10mini/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/CR-8/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/Ender-2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/Ender-3/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Creality/Ender-4/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Einstart-S/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Felix/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Felix/DUAL/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Formbot/Raptor/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/GT2560/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/MeCreator2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Infitary/i3-M508/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/JGAurora/A5/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/MakerParts/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Malyan/M150/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Malyan/M200/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Micromake/C1/basic/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Mks/Sbase/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/RepRapPro/Huxley/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/RigidBot/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/SCARA/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/STM32F10/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/STM32F4/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Sanguinololu/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/TheBorg/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/TinyBoy2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Tronxy/X1/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Tronxy/X3A/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Tronxy/X5S/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Tronxy/XY100/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/UltiMachine/Archim2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Velleman/K8200/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Velleman/K8400/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/adafruit/ST7565/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/Hatchbox_Alpha/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/generic/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/kossel_mini/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/kossel_pro/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/delta/kossel_xl/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/makibox/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/stm32f103ret6/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/tvrrug/Round2/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/config/examples/wt150/Configuration.h

 
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
+#if ENABLED(SINGLENOZZLE)
+  // Length of filament to retract and prime on toolchange
+  //#define SINGLENOZZLE_SWAP_LENGTH 12.0
+  //#define SINGLENOZZLE_SWAP_RETRACT_SPEED 3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PRIME_SPEED   3600  // (mm/m)
+  //#define SINGLENOZZLE_SWAP_PARK
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+  #else
+    #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+  #endif
+#endif
 
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.

Marlin/src/feature/pause.cpp

   return thermalManager.wait_for_hotend(active_extruder);
 }
 
-static void do_pause_e_move(const float &length, const float &fr) {
+void do_pause_e_move(const float &length, const float &fr) {
   current_position[E_AXIS] += length / planner.e_factor[active_extruder];
   planner.buffer_line(current_position, fr, active_extruder);
   planner.synchronize();

Marlin/src/feature/pause.h

   #define DXC_PASS
 #endif
 
+void do_pause_e_move(const float &length, const float &fr);
+
 bool pause_print(const float &retract, const point_t &park_point, const float &unload_length=0, const bool show_lcd=false DXC_PARAMS);
 
 void wait_for_filament_reload(const int8_t max_beep_count=0 DXC_PARAMS);

Marlin/src/gcode/config/M217.cpp

+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfigPre.h"
+
+#if ENABLED(SINGLENOZZLE)
+
+#include "../gcode.h"
+#include "../../module/tool_change.h"
+
+#if NUM_SERIAL > 1
+  #include "../../gcode/queue.h"
+#endif
+
+void M217_report(const bool eeprom=false) {
+  #if NUM_SERIAL > 1
+    const int16_t port = command_queue_port[cmd_queue_index_r];
+  #endif
+  serialprintPGM_P(port, eeprom ? PSTR("  M217") : PSTR("Singlenozzle:"));
+  SERIAL_ECHOPAIR_P(port, " S", singlenozzle_swap_length);
+  SERIAL_ECHOPAIR_P(port, " P", singlenozzle_prime_speed);
+  SERIAL_ECHOLNPAIR_P(port, " R", singlenozzle_retract_speed);
+}
+
+/**
+ * M217 - Set SINGLENOZZLE toolchange parameters
+ *
+ *  S[mm]   Swap length
+ *  P[mm/s] Prime speed
+ *  R[mm/s] Retract speed
+ */
+void GcodeSuite::M217() {
+
+  bool report = true;
+
+  if (parser.seenval('S')) { report = false; const float v = parser.value_float(); singlenozzle_swap_length = constrain(v, 0, 500); }
+  if (parser.seenval('P')) { report = false; const int16_t v = parser.value_int(); singlenozzle_prime_speed = constrain(v, 10, 5400); }
+  if (parser.seenval('R')) { report = false; const int16_t v = parser.value_int(); singlenozzle_retract_speed = constrain(v, 10, 5400); }
+
+  if (report) M217_report();
+
+}
+
+#endif // SINGLENOZZLE

Marlin/src/gcode/gcode.cpp

 
       case 211: M211(); break;                                    // M211: Enable, Disable, and/or Report software endstops
 
+      #if ENABLED(SINGLENOZZLE)
+        case 217: M217(); break;                                  // M217: Set filament swap parameters
+      #endif
+
       #if HOTENDS > 1
         case 218: M218(); break;                                  // M218: Set a tool offset
       #endif

Marlin/src/gcode/gcode.h

  * M209 - Turn Automatic Retract Detection on/off: S<0|1> (For slicers that don't support G10/11). (Requires FWRETRACT_AUTORETRACT)
           Every normal extrude-only move will be classified as retract depending on the direction.
  * M211 - Enable, Disable, and/or Report software endstops: S<0|1> (Requires MIN_SOFTWARE_ENDSTOPS or MAX_SOFTWARE_ENDSTOPS)
+ * M217 - Set filament swap parameters: "M217 S<length> P<feedrate> R<feedrate>". (Requires SINGLENOZZLE)
  * M218 - Set/get a tool offset: "M218 T<index> X<offset> Y<offset>". (Requires 2 or more extruders)
  * M220 - Set Feedrate Percentage: "M220 S<percent>" (i.e., "FR" on the LCD)
  * M221 - Set Flow Percentage: "M221 S<percent>"
 
   static void M211();
 
+  #if ENABLED(SINGLENOZZLE)
+    static void M217();
+  #endif
+
   #if HOTENDS > 1
     static void M218();
   #endif

Marlin/src/gcode/temperature/M104_M109.cpp

   #include "../../feature/leds/leds.h"
 #endif
 
+#if ENABLED(SINGLENOZZLE)
+  #include "../../module/tool_change.h"
+#endif
+
 /**
  * M104: Set hot end temperature
  */
 
   const uint8_t e = target_extruder;
 
-  #if ENABLED(SINGLENOZZLE)
-    if (e != active_extruder) return;
-  #endif
-
   if (parser.seenval('S')) {
     const int16_t temp = parser.value_celsius();
+    #if ENABLED(SINGLENOZZLE)
+      singlenozzle_temp[e] = temp;
+      if (e != active_extruder) return;
+    #endif
     thermalManager.setTargetHotend(temp, e);
 
     #if ENABLED(DUAL_X_CARRIAGE)
   if (get_target_extruder_from_command()) return;
   if (DEBUGGING(DRYRUN)) return;
 
-  #if ENABLED(SINGLENOZZLE)
-    if (target_extruder != active_extruder) return;
-  #endif
-
   const bool no_wait_for_cooling = parser.seenval('S'),
              set_temp = no_wait_for_cooling || parser.seenval('R');
   if (set_temp) {
     const int16_t temp = parser.value_celsius();
+    #if ENABLED(SINGLENOZZLE)
+      singlenozzle_temp[target_extruder] = temp;
+      if (target_extruder != active_extruder) return;
+    #endif
     thermalManager.setTargetHotend(temp, target_extruder);
 
     #if ENABLED(DUAL_X_CARRIAGE)
     #endif
 
     #if ENABLED(ULTRA_LCD)
-      const bool heating = thermalManager.isHeatingHotend(target_extruder);
-      if (heating || !no_wait_for_cooling)
-        #if HOTENDS > 1
-          lcd_status_printf_P(0, heating ? PSTR("E%i " MSG_HEATING) : PSTR("E%i " MSG_COOLING), target_extruder + 1);
-        #else
-          lcd_setstatusPGM(heating ? PSTR("E " MSG_HEATING) : PSTR("E " MSG_COOLING));
-        #endif
+      if (thermalManager.isHeatingHotend(target_extruder) || !no_wait_for_cooling)
+        thermalManager.set_heating_message(target_extruder);
     #endif
   }
 

Marlin/src/gcode/temperature/M106_M107.cpp

 #include "../gcode.h"
 #include "../../Marlin.h" // for fan_speed — should move those to Planner
 
+#if ENABLED(SINGLENOZZLE)
+  #include "../../module/motion.h"
+  #include "../../module/tool_change.h"
+#endif
+
 /**
  * M106: Set Fan Speed
  *
  */
 void GcodeSuite::M106() {
   const uint8_t p = parser.byteval('P');
+  const uint16_t s = parser.ushortval('S', 255);
+
+  #if ENABLED(SINGLENOZZLE)
+    if (p != active_extruder) {
+      if (p < EXTRUDERS) singlenozzle_fan_speed[p] = MIN(s, 255U);
+      return;
+    }
+  #endif
+
   if (p < FAN_COUNT) {
     #if ENABLED(EXTRA_FAN_SPEED)
       const int16_t t = parser.intval('T');
             fan_speed[p] = new_fan_speed[p];
             break;
           default:
-            new_fan_speed[p] = MIN(t, 255);
+            new_fan_speed[p] = MIN(t, 255U);
             break;
         }
         return;
-
       }
     #endif // EXTRA_FAN_SPEED
-    const uint16_t s = parser.ushortval('S', 255);
     fan_speed[p] = MIN(s, 255U);
   }
 }
  */
 void GcodeSuite::M107() {
   const uint16_t p = parser.ushortval('P');
+  #if ENABLED(SINGLENOZZLE)
+    if (p != active_extruder) {
+      if (p < EXTRUDERS) singlenozzle_fan_speed[p] = 0;
+      return;
+    }
+  #endif
+
   if (p < FAN_COUNT) fan_speed[p] = 0;
 }
 

Marlin/src/inc/Conditionals_post.h

 // Add commands that need sub-codes to this list
 #define USE_GCODE_SUBCODES ENABLED(G38_PROBE_TARGET) || ENABLED(CNC_COORDINATE_SYSTEMS) || ENABLED(POWER_LOSS_RECOVERY)
 
+// Single Nozzle swap on toolchange defaults
+#if ENABLED(SINGLENOZZLE)
+  #ifndef SINGLENOZZLE_SWAP_LENGTH
+    #define SINGLENOZZLE_SWAP_LENGTH 0
+  #endif
+  #ifndef SINGLENOZZLE_SWAP_RETRACT_SPEED
+    #define SINGLENOZZLE_SWAP_RETRACT_SPEED 60.0
+  #endif
+  #ifndef SINGLENOZZLE_SWAP_PRIME_SPEED
+    #define SINGLENOZZLE_SWAP_PRIME_SPEED 60.0
+  #endif
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #ifndef SINGLENOZZLE_TOOLCHANGE_POSITION
+      #define SINGLENOZZLE_TOOLCHANGE_POSITION { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
+    #endif
+  #else
+    #ifndef SINGLENOZZLE_TOOLCHANGE_ZRAISE
+      #define SINGLENOZZLE_TOOLCHANGE_ZRAISE 2.0
+    #endif
+  #endif
+#endif
+
 // Parking Extruder
 #if ENABLED(PARKING_EXTRUDER)
   #ifndef PARKING_EXTRUDER_GRAB_DISTANCE

Marlin/src/inc/SanityCheck.h

     #error "EXTRUDERS must be 1 with HEATERS_PARALLEL."
   #endif
 
+  #if ENABLED(SINGLENOZZLE) && !defined(SINGLENOZZLE_SWAP_LENGTH)
+    #define SINGLENOZZLE_SWAP_LENGTH 0
+  #endif
+
 #elif ENABLED(MK2_MULTIPLEXER)
   #error "MK2_MULTIPLEXER requires 2 or more EXTRUDERS."
 #elif ENABLED(SINGLENOZZLE)

Marlin/src/lcd/language/language_en.h

 #ifndef MSG_AUTORETRACT
   #define MSG_AUTORETRACT                     _UxGT("AutoRetr.")
 #endif
+#ifndef MSG_FILAMENT_SWAP_LENGTH
+  #define MSG_FILAMENT_SWAP_LENGTH            _UxGT("Retract Distance")
+#endif
+#ifndef MSG_SINGLENOZZLE_TOOL_CHANGE
+  #define MSG_SINGLENOZZLE_TOOL_CHANGE        _UxGT("Tool Change")
+#endif
+#ifndef MSG_SINGLENOZZLE_PRIME_SPD
+  #define MSG_SINGLENOZZLE_PRIME_SPD          _UxGT("Prime Speed")
+#endif
+#ifndef MSG_SINGLENOZZLE_RETRACT_SPD
+  #define MSG_SINGLENOZZLE_RETRACT_SPD        _UxGT("Retract Speed")
+#endif
 #ifndef MSG_FILAMENTCHANGE
   #define MSG_FILAMENTCHANGE                  _UxGT("Change filament")
 #endif

Marlin/src/lcd/ultralcd.cpp

     } \
     typedef void _name##_void
   DEFINE_LCD_IMPLEMENTATION_DRAWMENU_SETTING_EDIT_TYPE(int16_t, int3, itostr3);
+  DEFINE_LCD_IMPLEMENTATION_DRAWMENU_SETTING_EDIT_TYPE(int16_t, int4, itostr4sign);
   DEFINE_LCD_IMPLEMENTATION_DRAWMENU_SETTING_EDIT_TYPE(uint8_t, int8, i8tostr3);
   DEFINE_LCD_IMPLEMENTATION_DRAWMENU_SETTING_EDIT_TYPE(float, float3, ftostr3);
   DEFINE_LCD_IMPLEMENTATION_DRAWMENU_SETTING_EDIT_TYPE(float, float52, ftostr52);
     typedef void _name##_void
 
   DECLARE_MENU_EDIT_TYPE(int16_t, int3);
+  DECLARE_MENU_EDIT_TYPE(int16_t, int4);
   DECLARE_MENU_EDIT_TYPE(uint8_t, int8);
   DECLARE_MENU_EDIT_TYPE(float, float3);
   DECLARE_MENU_EDIT_TYPE(float, float52);
 
   #endif // POWER_LOSS_RECOVERY
 
+  #if ENABLED(SINGLENOZZLE)
+    void singlenozzle_swap_menu() {
+      START_MENU();
+      MENU_BACK(MSG_MAIN);
+      MENU_ITEM_EDIT(float3, MSG_FILAMENT_SWAP_LENGTH, &singlenozzle_swap_length, 0, 200);
+      MENU_MULTIPLIER_ITEM_EDIT(int4, MSG_SINGLENOZZLE_RETRACT_SPD, &singlenozzle_retract_speed, 10, 5400);
+      MENU_MULTIPLIER_ITEM_EDIT(int4, MSG_SINGLENOZZLE_PRIME_SPD, &singlenozzle_prime_speed, 10, 5400);
+      END_MENU();
+    }
+  #endif
+  
   #if ENABLED(MENU_ITEM_CASE_LIGHT)
 
     #include "../feature/caselight.h"
 
     void case_light_menu() {
       START_MENU();
-      //
-      // ^ Main
-      //
       MENU_BACK(MSG_MAIN);
       MENU_ITEM_EDIT_CALLBACK(int8, MSG_CASE_LIGHT_BRIGHTNESS, &case_light_brightness, 0, 255, update_case_light, true);
       MENU_ITEM_EDIT_CALLBACK(bool, MSG_CASE_LIGHT, (bool*)&case_light_on, update_case_light);
      */
     static void bltouch_menu() {
       START_MENU();
-      //
-      // ^ Main
-      //
       MENU_BACK(MSG_MAIN);
       MENU_ITEM(gcode, MSG_BLTOUCH_RESET, PSTR("M280 P" STRINGIFY(Z_PROBE_SERVO_NR) " S" STRINGIFY(BLTOUCH_RESET)));
       MENU_ITEM(gcode, MSG_BLTOUCH_SELFTEST, PSTR("M280 P" STRINGIFY(Z_PROBE_SERVO_NR) " S" STRINGIFY(BLTOUCH_SELFTEST)));
     void lcd_debug_menu() {
       START_MENU();
 
-      MENU_BACK(MSG_MAIN); // ^ Main
+      MENU_BACK(MSG_MAIN);
 
       #if ENABLED(LCD_PROGRESS_BAR_TEST)
         MENU_ITEM(submenu, MSG_PROGRESS_BAR_TEST, _progress_bar_test);
    */
   void lcd_tune_menu() {
     START_MENU();
-
-    //
-    // ^ Main
-    //
     MENU_BACK(MSG_MAIN);
 
     //
     }
 
     //
+    // Set single nozzle filament retract and prime length
+    //
+    #if ENABLED(SINGLENOZZLE)
+      MENU_ITEM(submenu, MSG_SINGLENOZZLE_TOOL_CHANGE, singlenozzle_swap_menu);
+    #endif
+
+    //
     // Set Case light on/off/brightness
     //
     #if ENABLED(MENU_ITEM_CASE_LIGHT)
     typedef void _name##_void
 
   DEFINE_MENU_EDIT_TYPE(int16_t, int3, itostr3, 1);
+  DEFINE_MENU_EDIT_TYPE(int16_t, int4, itostr4sign, 1);
   DEFINE_MENU_EDIT_TYPE(uint8_t, int8, i8tostr3, 1);
   DEFINE_MENU_EDIT_TYPE(float, float3, ftostr3, 1);
   DEFINE_MENU_EDIT_TYPE(float, float52, ftostr52, 100);

Marlin/src/module/configuration_store.cpp

   #include "../feature/pause.h"
 #endif
 
+#if ENABLED(SINGLENOZZLE)
+  #include "tool_change.h"
+  void M217_report(const bool eeprom);
+#endif
+
 #if ENABLED(PID_EXTRUSION_SCALING)
   #define LPQ_LEN thermalManager.lpq_len
 #endif
   float filament_change_unload_length[EXTRUDERS],       // M603 T U
         filament_change_load_length[EXTRUDERS];         // M603 T L
 
+  //
+  // SINGLENOZZLE toolchange values
+  //
+  #if ENABLED(SINGLENOZZLE)
+    float singlenozzle_swap_length;                     // M217 S
+    int16_t singlenozzle_prime_speed,                   // M217 P
+            singlenozzle_retract_speed;                 // M217 R
+  #endif
+
 } SettingsData;
 
 #pragma pack(pop)
     #endif
 
     //
+    // SINGLENOZZLE
+    //
+
+    #if ENABLED(SINGLENOZZLE)
+      _FIELD_TEST(singlenozzle_swap_length);
+      EEPROM_WRITE(singlenozzle_swap_length);
+      EEPROM_WRITE(singlenozzle_prime_speed);
+      EEPROM_WRITE(singlenozzle_retract_speed);
+    #endif
+
+    //
     // Validate CRC and Data Size
     //
     if (!eeprom_error) {
         for (uint8_t q = EXTRUDERS * 2; q--;) EEPROM_READ(dummy);
       #endif
 
+      //
+      // SINGLENOZZLE toolchange values
+      //
+
+      #if ENABLED(SINGLENOZZLE)
+        _FIELD_TEST(singlenozzle_swap_length);
+        EEPROM_READ(singlenozzle_swap_length);
+        EEPROM_READ(singlenozzle_prime_speed);
+        EEPROM_READ(singlenozzle_retract_speed);
+      #endif
+
       eeprom_error = size_error(eeprom_index - (EEPROM_OFFSET));
       if (eeprom_error) {
         #if ENABLED(EEPROM_CHITCHAT)
     #endif
   #endif
 
+  #if ENABLED(SINGLENOZZLE)
+    singlenozzle_swap_length = SINGLENOZZLE_SWAP_LENGTH;
+    singlenozzle_prime_speed = SINGLENOZZLE_SWAP_PRIME_SPEED;
+    singlenozzle_retract_speed = SINGLENOZZLE_SWAP_RETRACT_SPEED;
+  #endif
+
   //
   // Global Leveling
   //
         #endif // EXTRUDERS > 2
       #endif // EXTRUDERS == 1
     #endif // ADVANCED_PAUSE_FEATURE
+
+    #if ENABLED(SINGLENOZZLE)
+      CONFIG_ECHO_START;
+      if (!forReplay) {
+        SERIAL_ECHOLNPGM_P(port, "SINGLENOZZLE:");
+        CONFIG_ECHO_START;
+      }
+      M217_report(true);
+    #endif
   }
 
 #endif // !DISABLE_M503

Marlin/src/module/temperature.cpp

 
   #endif // AUTO_REPORT_TEMPERATURES
 
+  #if ENABLED(ULTRA_LCD)
+    void Temperature::set_heating_message(const uint8_t e) {
+      const bool heating = isHeatingHotend(e);
+      #if HOTENDS > 1
+        lcd_status_printf_P(0, heating ? PSTR("E%i " MSG_HEATING) : PSTR("E%i " MSG_COOLING), int(e + 1));
+      #else
+        lcd_setstatusPGM(heating ? PSTR("E " MSG_HEATING) : PSTR("E " MSG_COOLING));
+      #endif
+    }
+  #endif
+
   #if HAS_TEMP_HOTEND
 
     #ifndef MIN_COOLING_SLOPE_DEG

Marlin/src/module/temperature.h

       #endif
     #endif
 
+    #if ENABLED(ULTRA_LCD)
+      static void set_heating_message(const uint8_t e);
+    #endif
+
   private:
 
     #if ENABLED(FAST_PWM_FAN)
       #endif
 
     #endif // THERMAL_PROTECTION
-
 };
 
 extern Temperature thermalManager;

Marlin/src/module/tool_change.cpp

 #include "probe.h"
 #include "motion.h"
 #include "planner.h"
+#include "temperature.h"
 
 #include "../Marlin.h"
 
+#if ENABLED(SINGLENOZZLE)
+  float singlenozzle_swap_length      = SINGLENOZZLE_SWAP_LENGTH;
+  int16_t singlenozzle_prime_speed    = SINGLENOZZLE_SWAP_PRIME_SPEED,
+          singlenozzle_retract_speed  = SINGLENOZZLE_SWAP_RETRACT_SPEED;
+  uint16_t singlenozzle_temp[EXTRUDERS];
+  #if FAN_COUNT > 0
+    uint8_t singlenozzle_fan_speed[EXTRUDERS];
+  #endif
+  #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+    #include "../libs/point_t.h"
+    const point_t singlenozzle_change_point = SINGLENOZZLE_TOOLCHANGE_POSITION;
+  #endif
+#endif
+
 #if ENABLED(PARKING_EXTRUDER) && PARKING_EXTRUDER_SOLENOIDS_DELAY > 0
   #include "../gcode/gcode.h" // for dwell()
 #endif
       UNUSED(no_move);
 
       #if ENABLED(MK2_MULTIPLEXER)
-        if (tmp_extruder >= E_STEPPERS)
-          return invalid_extruder_error(tmp_extruder);
-
+        if (tmp_extruder >= E_STEPPERS) return invalid_extruder_error(tmp_extruder);
         select_multiplexed_stepper(tmp_extruder);
       #endif
 
       #if EXTRUDERS > 1
-        // Set the new active extruder
-        active_extruder = tmp_extruder;
-      #endif
+
+        #if ENABLED(SINGLENOZZLE)
+
+          #if ENABLED(PREVENT_COLD_EXTRUSION)
+            if (!DEBUGGING(DRYRUN) && thermalManager.targetTooColdToExtrude(active_extruder)) {
+              SERIAL_ERROR_START();
+              SERIAL_ERRORLNPGM(MSG_HOTEND_TOO_COLD);
+              return;
+            }
+          #endif
+
+          #if FAN_COUNT > 0
+            singlenozzle_fan_speed[active_extruder] = fan_speed[0];
+            fan_speed[0] = singlenozzle_fan_speed[tmp_extruder];
+          #endif
+
+          set_destination_from_current();
+
+          current_position[Z_AXIS] += (
+            #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+              singlenozzle_change_point.z
+            #else
+              SINGLENOZZLE_TOOLCHANGE_ZRAISE
+            #endif
+          );
+
+          planner.buffer_line(current_position, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
+
+          #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+            current_position[X_AXIS] = singlenozzle_change_point.x;
+            current_position[Y_AXIS] = singlenozzle_change_point.y;
+            planner.buffer_line(current_position, planner.max_feedrate_mm_s[Y_AXIS], active_extruder);
+          #endif
+
+          if (singlenozzle_swap_length) {
+            #if ENABLED(ADVANCED_PAUSE_FEATURE)
+              do_pause_e_move(-singlenozzle_swap_length, MMM_TO_MMS(singlenozzle_retract_speed));
+            #else
+              current_position[E_AXIS] -= singlenozzle_swap_length / planner.e_factor[active_extruder];
+              planner.buffer_line(current_position, MMM_TO_MMS(singlenozzle_retract_speed), active_extruder);
+            #endif
+          }
+
+          singlenozzle_temp[active_extruder] = thermalManager.target_temperature[0];
+          if (singlenozzle_temp[tmp_extruder] && singlenozzle_temp[tmp_extruder] != singlenozzle_temp[active_extruder]) {
+            thermalManager.setTargetHotend(singlenozzle_temp[tmp_extruder], 0);
+            #if ENABLED(ULTRA_LCD)
+              thermalManager.set_heating_message(0);
+            #endif
+            (void)thermalManager.wait_for_hotend(0, false);  // Wait for heating or cooling
+          }
+
+          active_extruder = tmp_extruder;
+
+          if (singlenozzle_swap_length) {
+            #if ENABLED(ADVANCED_PAUSE_FEATURE)
+              do_pause_e_move(singlenozzle_swap_length, singlenozzle_prime_speed);
+            #else
+              current_position[E_AXIS] += singlenozzle_swap_length / planner.e_factor[tmp_extruder];
+              planner.buffer_line(current_position, singlenozzle_prime_speed, tmp_extruder);
+            #endif
+          }
+
+          #if ENABLED(SINGLENOZZLE_SWAP_PARK)
+            current_position[X_AXIS] = destination[X_AXIS];
+            current_position[Y_AXIS] = destination[Y_AXIS];
+            planner.buffer_line(current_position, planner.max_feedrate_mm_s[Y_AXIS], active_extruder);
+          #endif
+
+          do_blocking_move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS]);
+
+        #else // !SINGLENOZZLE
+
+          active_extruder = tmp_extruder;
+
+        #endif // !SINGLENOZZLE
+
+      #endif // EXTRUDERS > 1
 
     #endif // HOTENDS <= 1
 

Marlin/src/module/tool_change.h

 
 #endif // PARKING_EXTRUDER
 
+#if ENABLED(SINGLENOZZLE)
+  extern float singlenozzle_swap_length;
+  extern int16_t singlenozzle_prime_speed,
+                 singlenozzle_retract_speed;
+  extern uint16_t singlenozzle_temp[EXTRUDERS];
+  #if FAN_COUNT > 0
+    extern uint8_t singlenozzle_fan_speed[EXTRUDERS];
+  #endif
+#endif
+
 /**
  * Perform a tool-change, which may result in moving the
  * previous tool out of the way and the new tool into place.

buildroot/share/tests/STM32F1_tests

 
 restore_configs
 opt_set MOTHERBOARD BOARD_STM32F1R
+opt_set EXTRUDERS 2
 opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT \
-           PAREN_COMMENTS GCODE_MOTION_MODES
+           PAREN_COMMENTS GCODE_MOTION_MODES SINGLENOZZLE SINGLENOZZLE_SWAP_LENGTH
 exec_test $1 $2 "STM32F1R EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT PAREN_COMMENTS GCODE_MOTION_MODES"
 
 opt_enable SPINDLE_LASER_ENABLE