Wall-mount spool holder with quick release fastener

This spool holder uses a metric 8mm threaded rod and two cones to mount filament spools to a wall.
The ball bearing cones should fit most spools.

BOM:

• 1x printed plastic parts
• 4x countersunk screws 4mm diameter
• 3x M8 nuts
• 1x M8 threaded rod
• 2x 608 ball bearing
• 1x M3x20 screw
  1x M3 nut (nyloc nut or loctite)