Filament Pulley Guide with 693 bearing by jasonatepaint 3d model
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Filament Pulley Guide with 693 bearing by jasonatepaint

Filament Pulley Guide with 693 bearing by jasonatepaint

by Thingiverse
Last crawled date: 3 years ago
Maintain the lowest amount of friction possible on your filament feeding system.... and this will help!
The UM2 bowden-style extruder feeds from the bottom but didn't have a filament guide aligned vertically below the extruder's opening. This caused stress and friction while feeding.
I searched around and found Wired1's design and liked it the best and decided to use it as my starting point. I used a small 3M command strip to affix the mount to the back of the Ultimaker, making for easy removal.

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