filament spool roller HD
thingiverse
Made my own design of the classic filament spool roller.Bearings are built in so the spool can't derail.Print four peaces for one spool.I used 30% infill and 2mm walls.Put on four standard 8x22x7 bearings.Glue the printed peaces together with super glue and with clamps until hardened.Should be a perfect fit directly from printer.
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