Smooth filament spool holder guide
thingiverse
This is a filament spool holder guide that I use for my ender 3 to smoothly guide the filament spool. It uses 2 105ZZ bearings each so that is 4 bearings total. Compatable with bearings with Inner diameter: 5mm Outer diameter: Max 12mm (used 10mm) It is compatable with every filament spool holder that is 30 mm diameter. I have made this thing in Fusion 360 and included the .step and .f3d files for modification.
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