Hatchbox Empty Spool Combiner
Print two of these, combine them, and put them between two Hatchbox filament spools to ensure they rotate together with my spool drawer spinner:
https://www.thingiverse.com/thing:6925887
Print two of these, combine them, and put them between two Hatchbox filament spools to ensure they rotate together with my spool drawer spinner:
https://www.thingiverse.com/thing:6925887