Upside Down Filament guide
thingiverse
As many people here I built a simple Ender 3 enclosure from the IKEA Lack table. I added this small guide to decrease tension of the filament that's not vertically in line with the extruder filament guide. The wheel and the spacer (you would need two copies) are from the original design Ender 3 filament guide by Holspeed (see Remixed from). The wheel uses. Additional: - 608 bearing, 1x - 3.5x6mm self-tapping screws, 3x - M4 x 16mm bolt (for the wheel), 1x The thing serves quite well for me.
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