Filament Guide for Ender 3 Pro - Single arm
Description
I wanted to be able to run filament through the guide without having to pull it out of the bowden first, so I removed one of the two arms that the bearing mounts to. This has the added benefit of leaving more room for a larger, common 608 skateboard bearing. It is still very rigid, there's no flex at all. I used the spacers and bearing roller from klingler's upper filament guide. I've included these files for convenience. Print two of the spacers and one of each of the other parts. For the axle, just use an M3x16mm screw and an M3 nut. No support is needed, and I'd recommend 100% infill for these parts.
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