macros.cfg

[gcode_macro HOME_CENTER]
gcode:
    G28                            ; home all axes
    G1 X60 Y20 Z20 F3000           ; move nozzle away from bed and center

[gcode_macro SHOW_EXTRUDER]
gcode:
    G1 X60 Y20 Z10 F3000           ; move nozzle away from bed and center

[gcode_macro PRINT_START]
#   Use PRINT_START for the slicer starting script - please customize for your slicer of choice
gcode:
    G28                            ; home all axes
    G1 X60 Y60 Z40 F3000           ; move nozzle away from bed
   
[gcode_macro PRINT_END]
#   Use PRINT_END for the slicer ending script - please customize for your slicer of choice
gcode:
    M400                           ; wait for buffer to clear
    G92 E0                         ; zero the extruder
    G1 E-4.0 F3600                 ; retract filament
    G91                            ; relative positioning

    #   Get Boundaries
    {% set max_x = printer.configfile.config["stepper_x"]["position_max"]|float %}
    {% set max_y = printer.configfile.config["stepper_y"]["position_max"]|float %}
    {% set max_z = printer.configfile.config["stepper_z"]["position_max"]|float %}

    #   Check end position to determine safe direction to move
    {% if printer.toolhead.position.x < (max_x - 20) %}
        {% set x_safe = 20.0 %}
    {% else %}
        {% set x_safe = -20.0 %}
    {% endif %}

    {% if printer.toolhead.position.y < (max_y - 20) %}
        {% set y_safe = 20.0 %}
    {% else %}
        {% set y_safe = -20.0 %}
    {% endif %}

    {% if printer.toolhead.position.z < (max_z - 2) %}
        {% set z_safe = 2.0 %}
    {% else %}
        {% set z_safe = max_z - printer.toolhead.position.z %}
    {% endif %}

    G0 Z{z_safe} F3600             ; move nozzle up
    G0 X{x_safe} Y{y_safe} F20000  ; move nozzle to remove stringing
    TURN_OFF_HEATERS
    M107                           ; turn off fan
    G90                            ; absolute positioning
    G0 X60 Y{max_y} F3600          ; park nozzle at rear
	
[gcode_macro LOAD_FILAMENT]
gcode:
   M83                            ; set extruder to relative
   G1 E30 F300                    ; load
   G1 E15 F150                    ; prime nozzle with filament
   M82                            ; set extruder to absolute
    
[gcode_macro UNLOAD_FILAMENT]
gcode:
   M83                            ; set extruder to relative
   G1 E10 F300                    ; extrude a little to soften tip
   G1 E-40 F1800                  ; retract some, but not too much or it will jam
   M82                            ; set extruder to absolute