30.5mm spindle spool holder, remixed from Ultimate 50mm.

New!
Added an adapter plug that fits the Makerbot type spools (around 53mm i.d.) to the spindle.

It's a filament spool spindle for the Replicator 2, remixed from thing 119016 with additional inspiration from thing 52838. I put a standard (7mm by 22mm diameter) skate bearing on this filament spool spindle. Thing 119016 gave me the spool holder base to start from; 52838 gave me the diameter of the smaller spool hole. The broad base is to prevent the large inset hole in one of my spool