"Ooze into infill" #602

New Issue

MrUnknownDE · 2026-04-05T16:23:42+02:00

MrUnknownDE commented

2026-04-05 16:23:42 +02:00

Originally created by @krickatthedisco on 2/25/2026

Is there an existing issue for this feature request?

I have searched the existing issues

When using foaming filaments like varioshore and other foaming TPU, or lightweight PLA, they will ooze for several seconds after a given extrusion. This causes severe stringing, which can partially be mitigated via "avoid crossing walls", tuned retraction settings, and long wipes, but often those settings cause other issues such as clogging and stacking too much material causing crashing into the printed part.

Which printers will be beneficial to this feature?

All

Describe the solution you'd like

There should be an "ooze into infill" setting that parks over a single open cell of the infill nearby and remains for a set time to allow for the significant oozing that just can't be resolved with wiping and retraction.

This oozed material would fall into the infill as the toolhead moves away to the next layer.

It may need to randomize which infill cell it oozes into so there isn't a buildup of oozed filament to get caught and dragged out.

Parameters that could be tuned include:
-Dwell time (seconds)
-Infill cell choice (random, nearest, etc) this may be affected by z seam location
-Additional retraction (mm)
-Wipe height after ooze
-Wipe style after ooze (same as z hop styles)

Describe alternatives you've considered

"Avoid crossing walls" - this setting helps, but on smaller parts or areas it is not useful
Retraction - foaming filament does not like to be retracted far enough to stop the oozing, it will clog
"Wipe after retraction" - similar to avoiding crossing walls, this is helpful on long walls but on smaller areas it is not useful and quickly causes stackup issues

Additional context

No response

*Originally created by @krickatthedisco on 2/25/2026* ### Is there an existing issue for this feature request? - [x] I have searched the existing issues ### Is your feature request related to a problem? When using foaming filaments like varioshore and other foaming TPU, or lightweight PLA, they will ooze for several seconds after a given extrusion. This causes severe stringing, which can partially be mitigated via "avoid crossing walls", tuned retraction settings, and long wipes, but often those settings cause other issues such as clogging and stacking too much material causing crashing into the printed part. ### Which printers will be beneficial to this feature? All ### Describe the solution you'd like There should be an "ooze into infill" setting that parks over a single open cell of the infill nearby and remains for a set time to allow for the significant oozing that just can't be resolved with wiping and retraction. This oozed material would fall into the infill as the toolhead moves away to the next layer. It may need to randomize which infill cell it oozes into so there isn't a buildup of oozed filament to get caught and dragged out. Parameters that could be tuned include: -Dwell time (seconds) -Infill cell choice (random, nearest, etc) this may be affected by z seam location -Additional retraction (mm) -Wipe height after ooze -Wipe style after ooze (same as z hop styles) ### Describe alternatives you've considered "Avoid crossing walls" - this setting helps, but on smaller parts or areas it is not useful Retraction - foaming filament does not like to be retracted far enough to stop the oozing, it will clog "Wipe after retraction" - similar to avoiding crossing walls, this is helpful on long walls but on smaller areas it is not useful and quickly causes stackup issues ### Additional context _No response_

MrUnknownDE closed this issue

2026-04-05 16:23:42 +02:00

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Reference: github/OrcaSlicer#602