small universal filament spool holder
thingiverse
Show your appreciation by uploading a picture of the "i made one" you created using 4,608 bearings and four M4 bolts (16mm long) + nuts. Be cautious not to overtighten as it may break parts. If bearings are unavailable, print the "small filament spool holder Bearing repl.stl." Note that these holders may be too small for black spools; make them longer for optimal use at http://www.123dapp.com/123D_Design/smal-filament-spool-holder/2400176.
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