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Tip Forming #463

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2451554
Improves filament load/unload macros with tip forming
Misunderstood-Wookiee Jan 30, 2026
b6411a1
Simplifies tip forming sequence to reduce jamming
Misunderstood-Wookiee Jan 30, 2026
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40 changes: 32 additions & 8 deletions config_section/Plus4/macros.cfg
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -677,10 +677,13 @@ gcode:
# Filament Macros
########################################
[gcode_macro UNLOAD_FILAMENT]
description: Unloads filament from toolhead
description: Unloads filament from toolhead with tip forming
gcode:
{% set EXTRUDER_TEMP = params.TEMP|default(230)|int %}
{% set CURRENT_TEMP = printer.extruder.temperature|int %}

M118 Starting filament unload with tip forming...

{% if CURRENT_TEMP < EXTRUDER_TEMP %}
M104 S{EXTRUDER_TEMP} ; heat up the hotend
{% endif %}
Expand All @@ -692,21 +695,30 @@ gcode:
{% endif %}
SET_STEPPER_ENABLE STEPPER=extruder ENABLE=1 ; enable extruder stepper
M83 ; set extruder to relative mode
G1 E5 F150 ; extrude a small amount to elimate soften the filament
G1 E-8 F1800 ; quickly retract a small amount to elimate stringing
G4 P200 ; pause for a short amount of time
G1 E-50 F300 ; retract slowly the rest of the way

; Simplified tip forming sequence to prevent jamming
G1 E5 F300 ; extrude to ensure clean melt
G1 E-3 F1800 ; small quick retract to start tip
G4 P200 ; pause to cool slightly
G1 E2 F150 ; gentle push to shape tip
G1 E-10 F3000 ; fast retract to thin and snap tip
G4 P300 ; cooling pause
G1 E-60 F800 ; slow steady extraction from hotend

M104 S0 ; turn off hotend
LEAVE_POOP_SHOOT ; leave poop shoot
M400 ; wait for moves to finish
M118 Unload Complete!
M118 Unload complete - Tip formed!


[gcode_macro LOAD_FILAMENT]
description: Loads filament to toolhead
gcode:
{% set EXTRUDER_TEMP = params.TEMP|default(230)|int %}
{% set CURRENT_TEMP = printer.extruder.temperature|int %}

M118 Starting filament load...

{% if CURRENT_TEMP < EXTRUDER_TEMP %}
M104 S{EXTRUDER_TEMP} ; heat up the hotend
{% endif %}
Expand All @@ -718,8 +730,20 @@ gcode:
{% endif %}
SET_STEPPER_ENABLE STEPPER=extruder ENABLE=1 ; enable extruder stepper
M83 ; set extruder to relative mode
G1 E5 F120 ; feed filament
G1 E5 F300 ; feed filament

; Progressive loading sequence
G1 E10 F200 ; slow initial feed to guide filament
G1 E30 F600 ; faster feed through tube
G1 E20 F400 ; medium speed approaching hotend
G1 E10 F200 ; slow feed into melt zone
G1 E15 F150 ; very slow extrusion to ensure melt
G4 P1000 ; pause to stabilize flow
G1 E5 F100 ; final purge at low speed

M104 S0 ; turn off hotend
LEAVE_POOP_SHOOT ; leave poop shoot
M400 ; wait for moves to finish
M118 Load complete!
G1 E40 F600 ; feed filament
G1 E15 F300 ; feed filament
G1 E15 F120 ; feed filament
Expand Down
41 changes: 27 additions & 14 deletions config_section/Q1_Pro/macros.cfg
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -561,10 +561,12 @@ gcode:
# Filament Macros
########################################
[gcode_macro UNLOAD_FILAMENT]
description: Unloads filament from toolhead
description: Unloads filament from toolhead with tip forming
gcode:
{% set EXTRUDER_TEMP = params.TEMP|default(230)|int %}
{% set CURRENT_TEMP = printer.extruder.temperature|int %}

M118 Starting filament unload with tip forming...

GO_TO_POOP_BUCKET ; go to poop bucket

Expand All @@ -577,21 +579,29 @@ gcode:
{% endif %}
SET_STEPPER_ENABLE STEPPER=extruder ENABLE=1 ; enable extruder stepper
M83 ; set extruder to relative mode
G1 E5 F150 ; extrude a small amount to elimate soften the filament
G1 E-8 F1800 ; quickly retract a small amount to elimate stringing
G4 P200 ; pause for a short amount of time
G1 E-50 F300 ; retract slowly the rest of the way

; Simplified tip forming sequence to prevent jamming
G1 E5 F300 ; extrude to ensure clean melt
G1 E-3 F1800 ; small quick retract to start tip
G4 P200 ; pause to cool slightly
G1 E2 F150 ; gentle push to shape tip
G1 E-10 F3000 ; fast retract to thin and snap tip
G4 P300 ; cooling pause
G1 E-60 F800 ; slow steady extraction from hotend

M104 S0 ; turn off hotend and wait for cooldown before leaving
LEAVE_POOP_BUCKET ; leave poop bucket
M400 ; wait for moves to finish
M118 Unload Complete!
M118 Unload complete - Tip formed!


[gcode_macro LOAD_FILAMENT]
description: Loads filament to toolhead
gcode:
{% set EXTRUDER_TEMP = params.TEMP|default(230)|int %}
{% set CURRENT_TEMP = printer.extruder.temperature|int %}

M118 Starting filament load...

GO_TO_POOP_BUCKET ; go to poop bucket

Expand All @@ -605,14 +615,17 @@ gcode:
SET_STEPPER_ENABLE STEPPER=extruder ENABLE=1 ; enable extruder stepper
M107 ; turn off fan
M83 ; set extruder to relative mode
G1 E5 F120 ; feed filament
G1 E5 F300 ; feed filament
G1 E40 F600 ; feed filament
G1 E15 F500 ; feed filament
G1 E15 F120 ; feed filament
G4 P200 ; pause for a short amount of time
G1 E10 F90 ; feed filament
G4 P3000 ; wait a bit to finish oozing

; Progressive loading sequence
G1 E10 F200 ; slow initial feed to guide filament
G1 E30 F600 ; faster feed through tube
G1 E20 F400 ; medium speed approaching hotend
G1 E10 F200 ; slow feed into melt zone
G1 E15 F150 ; very slow extrusion to ensure melt
G4 P1000 ; pause to stabilize flow
G1 E5 F100 ; final purge at low speed
G4 P2000 ; wait a bit to finish oozing

{% if printer.pause_resume.is_paused %}
LEAVE_POOP_BUCKET ; leave poop bucket
M118 Filament Loaded - Resuming Print... ; print message
Expand Down
43 changes: 29 additions & 14 deletions config_section/X-Max3/macros.cfg
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -448,44 +448,59 @@ gcode:
# Filament Macros
########################################
[gcode_macro UNLOAD_FILAMENT]
description: Unloads filament from toolhead
description: Unloads filament from toolhead with tip forming
gcode:
{% set EXTRUDER_TEMP = params.TEMP|default(230)|int %}
{% set CURRENT_TEMP = printer.extruder.temperature|int %}

M118 Starting filament unload with tip forming...

{% if CURRENT_TEMP < EXTRUDER_TEMP %}
M109 S{EXTRUDER_TEMP} ; heat up the hotend
{% endif %}
SET_STEPPER_ENABLE STEPPER=extruder ENABLE=1 ; enable extruder stepper
M83 ; set extruder to relative mode
G1 E5 F150 ; extrude a small amount to elimate soften the filament
G1 E-8 F1800 ; quickly retract a small amount to elimate stringing
G4 P200 ; pause for a short amount of time
G1 E-50 F300 ; retract slowly the rest of the way

; Simplified tip forming sequence to prevent jamming
G1 E5 F300 ; extrude to ensure clean melt
G1 E-3 F1800 ; small quick retract to start tip
G4 P200 ; pause to cool slightly
G1 E2 F150 ; gentle push to shape tip
G1 E-10 F3000 ; fast retract to thin and snap tip
G4 P300 ; cooling pause
G1 E-60 F800 ; slow steady extraction from hotend

M104 S0 ; turn off hotend
M400 ; wait for moves to finish
M118 Unload Complete!
M118 Unload complete - Tip formed!


[gcode_macro LOAD_FILAMENT]
description: Loads filament to toolhead
gcode:
{% set EXTRUDER_TEMP = params.TEMP|default(230)|int %}
{% set CURRENT_TEMP = printer.extruder.temperature|int %}

M118 Starting filament load...

{% if CURRENT_TEMP < EXTRUDER_TEMP %}
M109 S{EXTRUDER_TEMP} ; heat up the hotend
{% endif %}
SET_STEPPER_ENABLE STEPPER=extruder ENABLE=1 ; enable extruder stepper
M83 ; set extruder to relative mode
G1 E5 F120 ; feed filament
G1 E5 F300 ; feed filament
G1 E40 F600 ; feed filament
G1 E15 F300 ; feed filament
G1 E15 F120 ; feed filament
G4 P200 ; pause for a short amount of time
G1 E10 F90 ; feed filament

; Progressive loading sequence
G1 E10 F200 ; slow initial feed to guide filament
G1 E30 F600 ; faster feed through tube
G1 E20 F400 ; medium speed approaching hotend
G1 E10 F200 ; slow feed into melt zone
G1 E15 F150 ; very slow extrusion to ensure melt
G4 P1000 ; pause to stabilize flow
G1 E5 F100 ; final purge at low speed

M104 S0 ; turn off hotend
M400 ; wait for moves to finish
M118 Load Complete!
M118 Load complete!


# Filament runout sensor enable/disable
Expand Down
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