So I have a bambulab A1 and recently wanted to print something with TPU. The issue I have however is that the extrusion is just hella inconsistent. I get a coupel seconds of normal extrusion and then a couple seconds of pretty much none. The first layer was only half filled when I checked and I want to know if you guys have any suggestions.

I used the base preset for generic TPU.

This is the first layer I get after trying a couple different presets. Better than before but still horrible.

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[–] 1 point 10 months ago* (1 child)

After that the next step is usually to do a test print where you increase temperatures until you're at the maximum range for the filament.

Basically you're searching for the sweet spot. Heat is a major variable because it also affects flow.

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