Ball Bearing Filament Holder
thingiverse
100mm wide version of Ball Bearing Filament Holder by Chrlee (https://www.thingiverse.com/thing:2221639) that fit up to 80mm wide spools. I really liked the original but needed a version with less width so that I can fit three spools in my drybox. Print two of everything. 10% infill. No supports. Use 4 standard 608 bearings. Everything else snaps together.
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