3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Any tip for printing TPU? (sopuli.xyz)

submitted 7 months ago by [email protected] to c/[email protected]

10 comments fedilink hide all child comments

I've been trying to print some things in TPU, using a fairly soft 85A TPU, and I keep having under extrusion.

I've already reduced speeds to max 25mm/s, and reduced retraction. My printer uses a direct drive extruder, and as far as I can tell, it's grabbing the filament just fine. I'm printing at 240°C, using my default 0.4mm volcano CHT brass nozzle.

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[–] [email protected] 1 points 7 months ago

Yeah i noticed that right away, it's sitting on a roller with bearings, not sure I can give it any less resistance without actively unwinding filament as it's used.