Ender 3 Bearing filament guide
thingiverse
UPDATE 28/08/19 The bearings I ordered for this design will take approximately one month to arrive, so while waiting for them, I decided to modify the holder for a 608Z bearing and a U-Gruve sleeve for it. Additionally, I designed an adapter for the 608Z's 8mm hole to fit a 5mm hole (I printed two of these); the filament will go directly into the extruder hole. I discovered a U-Bearing on Aliexpress and decided to create a bearing filament guide. Here is the link to the U-Bearing I found: https://www.aliexpress.com/item/32894592233.html?spm=a2g0o.cart.0.0.5b4d3c00IAgSfk&mp=1
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