mariusz.pacek/voron2.4-config
1
0 Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

printer.cfg modified - 07.09.2026 - 19:56:45

Browse Source
This commit is contained in:
klipper committed 2026-09-07 19:56:55 +02:00
1 parent 984f3855c8
commit 9f6d0b5858
1 file changed
+63 -5
Download Patch File Download Diff File Expand all files Collapse all files
printer_data/config/printer.cfg
+63 -5
View File
@@ -665,24 +665,82 @@ gcode:
STATUS_PRINTING
[gcode_macro LINE_PURGE]
description: Fixed front purge line that stays below Klipper's extrusion safety limit
description: Adaptive purge outside the print; safely skips when no free edge exists
gcode:
{% set objects = printer.exclude_object.objects %}
{% set points = objects | map(attribute='polygon') | sum(start=[]) %}
{% set line_length = 100.0 %}
{% set wipe_length = 5.0 %}
{% set clearance = 8.0 %}
{% set x_offset = printer.configfile.settings.cartographer.x_offset|float %}
{% set y_offset = printer.configfile.settings.cartographer.y_offset|float %}
# Both nozzle and protruding Cartographer must remain at least 5 mm inside
# the 250 mm plate. The rear limit also avoids the brush at nozzle Y=250.5.
{% set safe_x_min = [printer.toolhead.axis_minimum.x|float + 5.0, 5.0 - x_offset]|max %}
{% set safe_x_max = [printer.toolhead.axis_maximum.x|float - 5.0, 245.0 - x_offset]|min %}
{% set safe_y_min = [printer.toolhead.axis_minimum.y|float + 5.0, 5.0 - y_offset]|max %}
{% set safe_y_max = [printer.toolhead.axis_maximum.y|float - 5.0, 245.0 - y_offset]|min %}
{% if "xyz" not in printer.toolhead.homed_axes %}
{ action_raise_error("LINE_PURGE requires homed X, Y and Z") }
{% elif not printer.extruder.can_extrude %}
{ action_raise_error("LINE_PURGE requires a hot extruder") }
{% elif points|length == 0 %}
{ action_respond_info("LINE_PURGE skipped: slicer supplied no object polygons") }
{% elif safe_x_max - safe_x_min < line_length + wipe_length or safe_y_max - safe_y_min < line_length + wipe_length %}
{ action_respond_info("LINE_PURGE skipped: configured safe area is too small") }
{% else %}
{% set object_x_min = points | map(attribute=0) | min | float %}
{% set object_x_max = points | map(attribute=0) | max | float %}
{% set object_y_min = points | map(attribute=1) | min | float %}
{% set object_y_max = points | map(attribute=1) | max | float %}
{% set front_gap = object_y_min - safe_y_min %}
{% set left_gap = object_x_min - safe_x_min %}
{% set right_gap = safe_x_max - object_x_max %}
{% set rear_gap = safe_y_max - object_y_max %}
{% set largest_gap = [front_gap, left_gap, right_gap, rear_gap]|max %}
{% set x_center = (object_x_min + object_x_max) / 2.0 %}
{% set y_center = (object_y_min + object_y_max) / 2.0 %}
{% set purge_x = [[x_center - line_length / 2.0, safe_x_min]|max, safe_x_max - line_length - wipe_length]|min %}
{% set purge_y = [[y_center - line_length / 2.0, safe_y_min]|max, safe_y_max - line_length - wipe_length]|min %}
{% if largest_gap < clearance %}
{ action_respond_info("LINE_PURGE skipped: print occupies every safe bed edge") }
{% else %}
# 12 mm of 1.75 mm filament over 100 mm = about 0.289 mm2,
# safely below max_extrude_cross_section=0.64 mm2 for the 0.4 mm nozzle.
SAVE_GCODE_STATE NAME=LINE_PURGE_STATE
G90
M83
G0 X30 Y10 Z2 F12000
G0 Z0.4 F600
G1 X130 E12 F600
G1 X135 F1800
{% if largest_gap == front_gap %}
{% set edge = "front" %}
G0 X{purge_x} Y{object_y_min - clearance} Z2 F12000
G0 Z0.4 F600
G1 X{purge_x + line_length} E12 F600
G1 X{purge_x + line_length + wipe_length} F1800
{% elif largest_gap == left_gap %}
{% set edge = "left" %}
G0 X{object_x_min - clearance} Y{purge_y} Z2 F12000
G0 Z0.4 F600
G1 Y{purge_y + line_length} E12 F600
G1 Y{purge_y + line_length + wipe_length} F1800
{% elif largest_gap == right_gap %}
{% set edge = "right" %}
G0 X{object_x_max + clearance} Y{purge_y} Z2 F12000
G0 Z0.4 F600
G1 Y{purge_y + line_length} E12 F600
G1 Y{purge_y + line_length + wipe_length} F1800
{% else %}
{% set edge = "rear" %}
G0 X{purge_x} Y{object_y_max + clearance} Z2 F12000
G0 Z0.4 F600
G1 X{purge_x + line_length} E12 F600
G1 X{purge_x + line_length + wipe_length} F1800
{% endif %}
G0 Z2 F600
RESTORE_GCODE_STATE NAME=LINE_PURGE_STATE MOVE=0
{ action_respond_info("LINE_PURGE used the %s free edge with 8 mm object clearance" % edge) }
{% endif %}
{% endif %}
[gcode_macro _PRINT_CLEANUP]