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Add filament retract and unretract user variables for use in base and helper macros #642

Merged
merged 8 commits into from
Jan 8, 2025
Merged

Add filament retract and unretract user variables for use in base and helper macros #642

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1088b65
Make filament retract user configurable in base macros
tehniemer Aug 26, 2024
88c66e1
Merge branch 'Frix-x:main' into retract-length-base
tehniemer Dec 11, 2024
6d2cdc1
Update prime_line.cfg
tehniemer Jan 6, 2025
be1ae5b
Include parameters in nozzle clean and primeline
tehniemer Jan 7, 2025
43920d7
Merge branch 'main' into retract-length-base
tehniemer Jan 7, 2025
a8ab04c
Update macros/helpers/nozzle_cleaning.cfg
tehniemer Jan 7, 2025
f9edb6b
Update user_templates/variables.cfg
tehniemer Jan 7, 2025
44f1a4f
Cleaned up logic and added additional information
tehniemer Jan 8, 2025
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5 changes: 3 additions & 2 deletions macros/base/cancel_print.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,8 @@ gcode:
{% set filament_sensor_enabled = printer["gcode_macro _USER_VARIABLES"].filament_sensor_enabled %}
{% set filter_default_time = printer["gcode_macro _USER_VARIABLES"].filter_default_time_on_end_print|default(600)|int %}
{% set hotend_fan_tach_enabled = printer["gcode_macro _USER_VARIABLES"].hotend_fan_tach_enabled %}

{% set retract_length = printer["gcode_macro _USER_VARIABLES"].retract_length|default(20)|float %}

PARK

{% if klippain_mmu_enabled and mmu_unload_on_cancel_print %}
Expand All @@ -25,7 +26,7 @@ gcode:
{% elif printer.extruder.can_extrude %}
# Pull back the filament a little bit
G92 E0
G1 E-10 F2100
G1 E-{retract_length} F2100
{% endif %}

{% if turn_off_heaters_in_end_print %}
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3 changes: 2 additions & 1 deletion macros/base/end_print.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ gcode:
{% set filter_default_time = printer["gcode_macro _USER_VARIABLES"].filter_default_time_on_end_print|default(600)|int %}
{% set filament_sensor_enabled = printer["gcode_macro _USER_VARIABLES"].filament_sensor_enabled %}
{% set hotend_fan_tach_enabled = printer["gcode_macro _USER_VARIABLES"].hotend_fan_tach_enabled %}
{% set retract_length = printer["gcode_macro _USER_VARIABLES"].retract_length|default(20)|float %}

PARK

Expand All @@ -25,7 +26,7 @@ gcode:
{% elif printer.extruder.can_extrude %}
# pull back the filament a little bit
G92 E0
G1 E-10 F2100
G1 E-{retract_length} F2100
{% endif %}

{% if turn_off_heaters_in_end_print %}
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5 changes: 3 additions & 2 deletions macros/helpers/nozzle_cleaning.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ gcode:
{% set OOZE_TIME = params.OOZE_TIME|default(printer["gcode_macro _USER_VARIABLES"].purge_ooze_time)|int %}
{% set TEMP = params.TEMP|default(printer["gcode_macro _USER_VARIABLES"].print_default_extruder_temp)|float %}
{% set Z_DROP = params.Z_DROP|default(1)|int %}
{% set RETRACT = params.RETRACT|default(printer["gcode_macro _USER_VARIABLES"].retract_length)|default(20)|float %}

{% set purge_and_brush_enabled = printer["gcode_macro _USER_VARIABLES"].purge_and_brush_enabled %}
{% set purgeclean_servo_enabled = printer["gcode_macro _USER_VARIABLES"].purgeclean_servo_enabled %}
Expand Down Expand Up @@ -119,8 +120,8 @@ gcode:

# Retract
G92 E0
G1 E-1.7 F2100
G1 E-18.3 F150
G1 E-{RETRACT*0.1} F2100
G1 E-({RETRACT}-{RETRACT*0.1}) F150
G92 E0

# Wait some time to let the nozzle ooze before cleaning
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3 changes: 2 additions & 1 deletion macros/helpers/prime_line.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ gcode:
{% set prime_line_height = params.LINE_HEIGHT|default(printer["gcode_macro _USER_VARIABLES"].prime_line_height)|default(0.6)|float %}
{% set prime_line_adaptive = params.ADAPTIVE_MODE|default(1)|int %}
{% set prime_line_margin = params.LINE_MARGIN|default(printer["gcode_macro _USER_VARIABLES"].prime_line_margin)|default(5.0)|float %} # Used only in adaptive mode
{% set prime_line_unretract_length = printer["gcode_macro _USER_VARIABLES"].unretract_length|default(23)|float %}
{% set prime_line_wipe = printer["gcode_macro _USER_VARIABLES"].prime_line_wipe|default(False) %}
{% set prime_line_wipe_length = prime_line_length * 0.8 %}

Expand Down Expand Up @@ -112,7 +113,7 @@ gcode:

# Add pressure in the nozzle
G92 E0
G1 E18 F300
G1 E{prime_line_unretract_length} F300

# Prime line
G92 E0
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7 changes: 7 additions & 0 deletions user_templates/variables.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,13 @@ variable_prime_line_height: 0.6 # mm, used for actual cross section computation
variable_prime_line_margin: 5 # distance of purge line from fl_size rectangle
variable_prime_line_wipe: False # enable a wipe of the nozzle after completing the prime line

## Length of filament to retract to disengage it from the heatbreak.
## This is to reduce final print oozing, but also to prevent heatcreep, clogging, and allow cold filament change between prints.
## Unretract is the length of filament to prime and pressurize the nozzle prior to printing.
## This is recommended to be 10-20% more than the retract value.
variable_retract_length: 20
variable_unretract_length: 23

## Park position used when pause, end_print, etc...
variable_park_position_xy: -1, -1
variable_park_lift_z: 50
Expand Down