Ender 3 Filament Guide
thingiverse
All you need is: - 608 bearing ( Inside diameter: 8mm, Outside diameter: 22mm, Thickness: 7mm) - M3x25 screw I used a longer-than-needed screw I had lying around, so don't hate. You have to print the following parts: 1x holder_2 1x holder 1x Bearing_Holder 2x Bearing_Holder1 A helpful tip is to pre-thread the Bearing_Holder1 before assembling the whole thing. There are also .IPT files available if you want to make adjustments.
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