Roller for filament spools. Designed for 608 / 608ZZ ball bearings, the kind commonly found in skateboards, inlines and rollerskates.
Made primarily for 20cm diameter spools, but down to about 12cm fits and it should be able to handle larger spools as well. Parametric design, easily adjustable to different dimensions.
Has a Lego base underneath, so it can be mounted on any Lego plate to keep it in place. It is slightly offset from center, so one or both pieces can be flipped around to adjust the width finer than a "lego unit".
It uses a Lego module (originally written by Andrew Sweet, which had do be included straight in the scad file for the customizer to work. Original (non-customizer) files available as .txt files.
- Two of these brackets printed
- Four 608 ball bearings (common skateboard / rollerskate / inline bearings)
- Four 25mm M8 bolts + four nuts
- Some Lego to mount it on (~10-14 units long, depending on spool size)