Multi-filament support macros for manual filament changes

MultiFilament.cfg

[gcode_macro LOAD_FILAMENT]
gcode:
  {% set LoadSpeed = params.SPEED | default(1800) | int %}
  {% set PrimeSpeed = params.PRIME_SPEED | default(400) | int %}
  {% set PurgeLength = params.PURGE_LENGTH | default(55) | int %}
  SAVE_GCODE_STATE NAME=__filament__load
  M83
  G1 E5 F75
  G1 E50 F{LoadSpeed}
  clean_nozzle PURGE_SPEED={PrimeSpeed} PURGE_LENGTH={PurgeLength}
  RESTORE_GCODE_STATE NAME=__filament__load
  
[gcode_macro UNLOAD_FILAMENT]
gcode:
  {% set LoadSpeed = params.SPEED | default(1800) | int %}
  SAVE_GCODE_STATE NAME=__filament__load
  # STOP_LED_EFFECTS
  # SET_LED_EFFECT EFFECT=unload_left
  # SET_LED_EFFECT EFFECT=unload_right
  M83
  FORM_TIP
  G1 E-50 F{LoadSpeed}
  G1 E-50 F{LoadSpeed}
  RESTORE_GCODE_STATE NAME=__filament__load

[gcode_macro M600]
gcode:
  CHANGE_FILAMENT  

[gcode_macro M601]
gcode:
    CHANGE_FILAMENT

[gcode_macro CHANGE_FILAMENT]
description: Notifies the user to "change filament". Unloads the filament and pauses.
gcode:
  M117 Unloading
  MOVE_TO_PURGE_BUCKET
  UNLOAD_FILAMENT
  BEEP PITCH=440 DURATION=1000
  BEEP PITCH=880 DURATION=1000
  BEEP PITCH=440 DURATION=1000
  M117 Change Filament
  PAUSE
  M117

  
# StandAlone cooling moves to extract proper filament tip
[gcode_macro FORM_TIP]
gcode:
    G91
    G92 E0
    G1 E-9.05 F1200
    G1 E0.68 F165
    G1 E0.70 F168
    G1 E0.73 F177
    G1 E0.78 F189
    G1 E0.82 F197
    G1 E0.84 F204
    G1 E0.90 F216
    G1 E0.97 F234
    G1 E1.02 F246
    G1 E1.04 F250
    G1 E-15.00 F6000.0
    G1 E-24.50 F5400.0
    G1 E-7.00 F2700.0
    G1 E-3.50 F1620.0
    G1 E20.00 F900.0
    G1 E-13 F500.0
    G1 E13 F400.0
    G1 E-11 F500.0
    G1 E11 F400.0
    G1 E-2.00 F50.0
    G1 E-4.00 F1200.0
    G1 E-10.00 F2000
    G92 E0