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When using a MMU, if you set a specific wipe tower extruder, generated support disappears after the gcode preview window finishes loading.
In the attached project file, under Print Settings -> Multiple Extruders, with support set to "support enforcers only" (the state it should be in, in the project file), if:
Support Material/raft/skirt extruder (setting E4) is set to 6
Support material/raft interface extruder (E5) is set to 6
Wipe tower extruder (E6) is set to 6,
and I click , the model will show generated supports in the unshaded gcode preview colors, but when the program finishes loading and the shading comes in, the support material disappears. If I then export this gcode to a file, there is no support material in it.
and click , the model generates identically, but the support material from the bed surface at the edges of the model disappear, leaving only the support raft interface layers
If I change the settings to
E4: 0
E5: 0
E6: 0
and click , support material generates and is savable in the g-code file.
Description of the bug
When using a MMU, if you set a specific wipe tower extruder, generated support disappears after the gcode preview window finishes loading.
In the attached project file, under Print Settings -> Multiple Extruders, with support set to "support enforcers only" (the state it should be in, in the project file), if:
Support Material/raft/skirt extruder (setting E4) is set to 6
Support material/raft interface extruder (E5) is set to 6
Wipe tower extruder (E6) is set to 6,
and I click , the model will show generated supports in the unshaded gcode preview colors, but when the program finishes loading and the shading comes in, the support material disappears. If I then export this gcode to a file, there is no support material in it.
If I change the settings to
E4: 6,
E5: 0 (default to minimize extruder changes)
E6: 6,
and click , the model generates identically, but the support material from the bed surface at the edges of the model disappear, leaving only the support raft interface layers
If I change the settings to
E4: 0
E5: 0
E6: 0
and click , support material generates and is savable in the g-code file.
Project file & How to reproduce
Keurig_Ball.zip
Checklist of files included above
Version of PrusaSlicer
2.6.0+win64
Operating system
Windows 11
Printer model
Mercury One.1/manta m8p/klipper
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