Ultimate Spool Holder for Ultimaker

This reel holder uses two cones with integrated bearing that will take both thrust and vertical load.

The cones are not resting on the reel holder shaft, but "floating" around the shaft, held in place by the reel holder bearing thrust face in both horizontal and vertical direction.

This eliminates the need for a bearing on the shaft and also reduces friction. You can manually adjust the how freely the reel is spinning by the nut at the end.