Prusa Research

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A Community for discussing all things related to specifically Prusa Researchs 3D Printers like the MK3, MK4, Mini and XL

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Prusa Mini issues with very slow extrusion (lemmy.ml)

submitted 1 year ago by [email protected] to c/[email protected]

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Hi there, I've been having a little trouble printing models with my MINI+, when there is very low extrusion between retractions. The Extruder grinds the filament through, and then the filament in the hotend burns until it gets stuck as well.

It usually only happens when I print extremely fine things like DnD (2") miniatures at .05mm layer height.
For now I've switched to .15mm layer height and have not had the issues since, but I wonder if there's something that could be done, except changing the Extruder/Hotend?

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[–] [email protected] 1 points 1 year ago (1 children)

I know it's (kinda stupidly) low layer height.
But I'm pretty sure the issue is largely that the extruder files the same spot of filament down over and over again, because each extrusion, between retractions, is just sooooo little.
But if I don't retract, I have thicker strings than printed structures...