Monoprice Large Spool Holder
thingiverse
When looking for a spool adapter for the larger 93mm Repko filament spools, I could not find any decent adapters using 608 bearings. The adapter by dbgeorge, (https://www.thingiverse.com/thing:2197267), seemed to be the closest to what I was looking for, and it was able to be modified.
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