Spool bushing for 608 bearings
thingiverse
This is a spool bushing made to fit a 608 bearing on the ID and a 1 kg spool on the OD (51~ mm). Inspired by http://www.thingiverse.com/thing:8697 by Generic. Instructions Print 2. Press fit 608 bearing in each and then bushings on either side of spool. Add 5/16 or M8 threaded rod and 2 nuts on either side. I tighten nuts enough to create light friction to prevent freewheeling of the filament. Add to your favorite spool holder. I use a derivative of this mount http://www.thingiverse.com/thing:3326
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