# LOAD_FILAMENT, UNLOAD_FILAMENT (based on the KlipperScreen recommended macros)

[gcode_macro LOAD_FILAMENT]
variable_load_distance:  60
variable_purge_distance:  20
gcode:
    {% set speed = params.SPEED|default(15) %}
    {% set max_velocity = printer.configfile.settings['extruder'].max_extrude_only_velocity  * 15 %}
    SAVE_GCODE_STATE NAME=load_state
    G91
    G92 E0
    G1 E{load_distance} F{max_velocity} # fast-load
    G1 E{purge_distance} F{speed} # purge
    RESTORE_GCODE_STATE NAME=load_state

[gcode_macro UNLOAD_FILAMENT]
variable_unload_distance:  100
variable_purge_distance:  0
gcode:
    {% set speed = params.SPEED|default(15) %}
    {% set max_velocity = printer.configfile.settings['extruder'].max_extrude_only_velocity  * 30 %}
    SAVE_GCODE_STATE NAME=unload_state
    G91
    G92 E0
    G1 E{purge_distance} F{speed} # purge
    G1 E-20 F100# unload
    G1 E-{unload_distance} F{max_velocity} # fast-unload
    RESTORE_GCODE_STATE NAME=unload_state