Ender 3 Spool Ball Bearing System
thingiverse
A printable solution to allow your spool to be more free spinning, remedying all of the tension on your filament between spool and extruder. Spool spacer OD is 55 mm for Hatchbox spools. Tolerances are fairly tight, would recommend adjusting line width or horizontal expansion compensation unless your printer is very precise. Bearings press fit into spool spacers, which press fit into spools, which then slides on your new ender 3 spool holder, add backing nut, ready to go. 6 mm airsoft bb's are required for bearings. Shaft is a remix originally produced by "acarita". Ball bearing is reposted for convenience, orignally produced by "scarpantes"; https://www.thingiverse.com/thing:3019490.
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