Sometimes you may need all the building plate space you can get. Or you have build your own G10 / FR4 plate, and found out you just misaligned the top surface, making it impossible to print the rear purge lines... (Oops 😳)
Here's how to fix that...
No purge lines!
What we don't want:
What we want:
How we fix that
1. Start Bambu Studio
2. Prepare or Preview tab
3. Edit preset
4. Machine gcode
5. Go to the bottom of Machine start G-code
It will currently show something like:
T1000
G1 E{-retraction_length[initial_no_support_extruder]} F1800
G1 X128.0 Y253.0 Z0.2 F24000.0;Move to start position
G1 E{retraction_length[initial_no_support_extruder]} F1800
M109 S{nozzle_temperature_initial_layer[initial_no_support_extruder]}
G0 X253 E6.4 F{outer_wall_volumetric_speed/(0.3*0.6) * 60}
G0 Y128 E6.4
G0 X252.5
G0 Y252.5 E6.4
G0 X128 E6.4
6. Change this to:
T1000
; G1 E{-retraction_length[initial_no_support_extruder]} F1800
; G1 X128.0 Y253.0 Z0.2 F24000.0;Move to start position
; G1 E{retraction_length[initial_no_support_extruder]} F1800
M109 S{nozzle_temperature_initial_layer[initial_no_support_extruder]}
; G0 X253 E6.4 F{outer_wall_volumetric_speed/(0.3*0.6) * 60}
; G0 Y128 E6.4
; G0 X252.5
; G0 Y252.5 E6.4
; G0 X128 E6.4
7. Save this as a new Preset
8. Now select this preset to avoid the purge lines.
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