CIRCLE_WIPE.cfg

[gcode_macro CIRCLE_WIPE]
gcode:
    # Adjust these if necessary to fit on your bed
    {% set X_MAX = printer.toolhead.axis_maximum.x|default(200)|float %}
    {% set Y_MAX = printer.toolhead.axis_maximum.y|default(200)|float %}
    {% set X_MIN = printer.toolhead.axis_minimum.x|default(0)|float %}
    {% set Y_MIN = printer.toolhead.axis_minimum.y|default(0)|float %}
    
    {% set X_CENTER = ((X_MIN + X_MAX) * 0.5) %}
    {% set Y_CENTER = ((Y_MIN + Y_MAX) * 0.5) %}
    {% set NOZZLE = printer.extruder.nozzle_diameter|default(0.4)|float %}
    {% set PRIMER_HEIGHT = 0.70 * NOZZLE %}
    {% if printer.toolhead.homed_axes != "xyz" %}
        {action_respond_info("Please home XYZ first")}
    {% elif printer.extruder.can_extrude != True %}
        {action_respond_info("Extruder temperature too low")}
    {% else %}
        SAVE_GCODE_STATE NAME=WIPE_LINE_state
        M117 Priming nozzle
        M82
        G90
        G92 E0
        G1 X{X_MIN} Y{Y_CENTER} Z3 F2500
        G1 X{X_MIN} Y{Y_CENTER} Z{PRIMER_HEIGHT} F5000.0
        G2 X{X_MAX} Y{Y_CENTER} I{X_CENTER} J{Y_CENTER} F1800
        G2 X{X_MIN} Y{Y_CENTER} I{X_CENTER} J{Y_CENTER} F1800
        RESTORE_GCODE_STATE NAME=WIPE_LINE_state MOVE=0
        M117 Priming complete
    {% endif %}

# This is necessary to use G2/G3 commands:
[gcode_arcs]