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Any tip for printing TPU?
(sopuli.xyz)
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this post was submitted on 12 Feb 2024
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zero retraction, dry the filament out (If It's not a short-notice print, I'll dry it out in a food dehydrator the night before, timing it so it comes out just as I'm starting the print.). Slow it down. Slow it down some more.
If the under extrusion is constant, try checking the filament's diameter on the roll, if that's fine, try upping the flow just a bit. TPU is fairly squishy and stretchy at the same time, so it may need tweaking. Also, consider running a temperature calibration tower.