Ender 3 Bearing Filament Guide and Z Support Combo (Easy Install)
Description
I couldn't find a good combination filament guide and z axis support for my Ender 3 Pro that used ball bearings and also was easy to install. I used a couple other designs as a starting point and this is what I came up with. It works extremely well, and still allows use of a Z-axis knob. Just remove one of the top stabilizer bar screws and slide into the channel. Re-install screw and push skate bearing down over Z axis screw. Print the main roller guide piece, 1 ring, and 2 spacers. You will need an M8 bolt/nut for the filament guide roller and two 608 skate bearings. Printed in PLA with 0.2mm layers and 40% infill. No supports needed. I recommend this lower guide to complement the upper one: https://www.thingiverse.com/thing:3052488
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