OpenBeam Exposed Bearing Flange
thingiverse
To create an adjustable filament spool holder, print four of this part and attach them to an OpenBeam extrusion framework as demonstrated in the photos. Use a 5/16" or M8 bolt, along with matching nut and three washers, placing them in order: bolt, washer, bearing, washer, plastic part, washer, nut. Ensure the smoother side of each washer faces either the bearing or nut. Place your filament spool on top of the washers to secure it, and prevent sliding by attaching rubber sticky feet or Sugru pads to the bottom. Watch this YouTube video for more details: http://www.youtube.com/watch?v=DvV1EzdiDxo.
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