Printrbot Style Spool Holders

I designed this to work with some leftover 8mm rods and 608 skate bearings I had. One set is for smaller diameter spools (specifically measured for Taulman spools) and the other is for more standard diameter spools (specifically for Push Plastic). Ideally, these two can sit next to each other using the same pair of rods. Should make it easy to switch between the two sizes of filament spools. Spool width is adjustable along the 8mm rods as well.

https://www.youtube.com/watch?v=6ZtAxlMDrIk

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