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Alfawise U20 Bowden extruder update for TPU printing

by camusyan

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3d printer 3D printing Alfawise Alfawise U20 bowden bowden extruder extruder flexible flexible filament TPU tpu filament update 3d printer 3D printing Alfawise Alfawise U20 bowden bowden extruder extruder flexible flexible filament TPU tpu filament update

I have a 3D Printer Alfawise U20. I tried to print few objects using TPU filament. Unfortunately, all my prints were failing because the filament was moving around the cog-wheel.
I finally designed and printed an updated version of the extruder piece which allows to drastically reduce the space between the exit of the cog-wheel and the entry of the hole.

And it works ! No more fail printing with TPU.

I uploaded the F3D file if you want to perform your own updates.

Yann

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