Prusa i3 Mk3+ filament spool management
thingiverse
Inspired by a number of other filament stands seen on here but not based on any particular one. I have filament from a variety of suppliers and the reels are all different widths. This provides a system which allows storage of three filament spools attached to the Prusa frame and which allows any of them to be used. It caters for reels up to 8cm wide. Each stand uses four widely available skateboard bearings 608zz. These are 22m diameter, 7mm wide with 8mm hole. You need to make two copies of the roller for each stand. Everything is push fit together and three sets just fit on the printer.
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