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| [gcode_macro VORON_PURGE] | ||
| description: A purge macro that adapts to be near your actual printed objects | ||
| gcode: | ||
| # Get relevant printer params | ||
| {% set travel_speed = (printer.toolhead.max_velocity) * 60 | float %} | ||
| {% set cross_section = printer.configfile.settings.extruder.max_extrude_cross_section | float %} | ||
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| # Use firmware retraction if it is defined | ||
| {% if printer.firmware_retraction is defined %} | ||
| {% set RETRACT = G10 | string %} | ||
| {% set UNRETRACT = G11 | string %} | ||
| {% else %} | ||
| {% set RETRACT = 'G1 E-.5 F2100' | string %} | ||
| {% set UNRETRACT = 'G1 E.5 F2100' | string %} | ||
| {% endif %} | ||
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| # Get purge settings from _Kamp_Settings | ||
| {% set verbose_enable = printer["gcode_macro _KAMP_Settings"].verbose_enable | abs %} | ||
| {% set purge_height = printer["gcode_macro _KAMP_Settings"].purge_height | float %} | ||
| {% set tip_distance = printer["gcode_macro _KAMP_Settings"].tip_distance | float %} | ||
| {% set purge_margin = printer["gcode_macro _KAMP_Settings"].purge_margin | float %} | ||
| {% set purge_amount = printer["gcode_macro _KAMP_Settings"].purge_amount | float %} | ||
| {% set flow_rate = printer["gcode_macro _KAMP_Settings"].flow_rate | float %} | ||
| {% set size = 10 | float %} | ||
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| # Calculate purge origins and centers from objects | ||
| {% set all_points = printer.exclude_object.objects | map(attribute='polygon') | sum(start=[]) %} # Get all object points | ||
| {% set purge_x_min = (all_points | map(attribute=0) | min | default(0)) %} # Object x min | ||
| {% set purge_x_max = (all_points | map(attribute=0) | max | default(0)) %} # Object x max | ||
| {% set purge_y_min = (all_points | map(attribute=1) | min | default(0)) %} # Object y min | ||
| {% set purge_y_max = (all_points | map(attribute=1) | max | default(0)) %} # Object y max | ||
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| {% set purge_x_center = ([((purge_x_max + purge_x_min) / 2) - (purge_amount / 2), 0] | max) %} # Create center point of purge line relative to print on X axis | ||
| {% set purge_y_center = ([((purge_y_max + purge_y_min) / 2) - (purge_amount / 2), 0] | max) %} # Create center point of purge line relative to print on Y axis | ||
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| {% set purge_x_origin = ([purge_x_min - purge_margin, 0] | max) %} # Add margin to x min, compare to 0, and choose the larger | ||
| {% set purge_y_origin = ([purge_y_min - purge_margin, 0] | max) %} # Add margin to y min, compare to 0, and choose the larger | ||
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| # Calculate purge speed | ||
| {% set purge_move_speed = (flow_rate / 5.0) * 60 | float %} | ||
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| {% if cross_section < 5 %} | ||
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| {action_respond_info("[Extruder] max_extrude_cross_section is insufficient for purge, please set it to 5 or greater. Purge skipped.")} | ||
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| {% else %} | ||
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| {% if verbose_enable == True %} | ||
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| {action_respond_info("Moving filament tip {}mms".format( | ||
| (tip_distance), | ||
| )) } | ||
| {% endif %} | ||
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| {% if printer.firmware_retraction is defined %} | ||
| {action_respond_info("KAMP purge is using firmware retraction.")} | ||
| {% else %} | ||
| {action_respond_info("KAMP purge is not using firmware retraction, it is recommended to configure it.")} | ||
| {% endif %} | ||
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| G92 E0 # Reset extruder | ||
| G0 F{travel_speed} # Set travel speed | ||
| G90 # Absolute positioning | ||
| G0 X{purge_x_origin} Y{purge_y_origin+size/2} # Move to purge position | ||
| G0 Z{purge_height} # Move to purge Z height | ||
| M83 # Relative extrusion mode | ||
| G1 E{tip_distance} F{purge_move_speed} # Move tip of filament to nozzle | ||
| G1 X{purge_x_origin+size*0.289} Y{purge_y_origin+size} E{purge_amount/4} F{purge_move_speed}# Purge first line of logo | ||
| G1 E-.5 F2100 # Retract | ||
| G0 Z{purge_height*2} # Z hop | ||
| G0 X{purge_x_origin+size*0.789} Y{purge_y_origin+size} # Move to second purge line origin | ||
| G0 Z{purge_height} # Move to purge Z height | ||
| G1 E.5 F2100 # Recover | ||
| G1 X{purge_x_origin+size*0.211} Y{purge_y_origin} E{purge_amount/2} F{purge_move_speed} # Purge second line of logo | ||
| G1 E-.5 F2100 # Retract | ||
| G0 Z{purge_height*2} # Z hop | ||
| G0 X{purge_x_origin+size*0.711} Y{purge_y_origin} # Move to third purge line origin | ||
| G0 Z{purge_height} # Move to purge Z height | ||
| G1 E.5 F2100 # Recover | ||
| G1 X{purge_x_origin+size} Y{purge_y_origin+size/2} E{purge_amount/4} F{purge_move_speed} # Purge third line of logo | ||
| G1 E-.5 F2100 # Retract | ||
| G92 E0 # Reset extruder distance | ||
| M82 # Absolute extrusion mode | ||
| G0 Z{purge_height*2} F{travel_speed} | ||
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| {% endif %} |