
Ender 3 Filament Roller Guide (without bearing)
thingiverse
Basically this is just another remix of Holspeed's https://www.thingiverse.com/thing:3052488 with the same arm design. I don't have any bearing with me, so I reduced the hole reserved for bearing to M4 size since I have some M4 screws lying around. You will need a set of M4 screw (>=16mm) and nut.
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