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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[–] 2 points 10 months ago (1 child)

Maybe try with these settings (found elsewhere) : https://imgur.com/a/vGV9DV0

It seems like it's the default TPU settings with these tweaks :

  • Pressure advance to 0.018
  • Density to 1.111
  • Max volumetric speed to 2
  • source
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