Prusa i3 Spool Clamp
thingiverse
Prusa's base spool holder has ample space to accommodate filaments, and you can utilize a clamp to restrict unwanted movements of the filament cartridge. I designed it due to failed prints caused by new filament rolls getting tangled and creating a mess. A filament guide can solve this issue, but even with one in place, I still experienced problems, so I created a clamp to resist free and unwanted movement of the filament cartridge. Update (16-June): Additional 20 and 10 mm thick versions have been added. For my Prusa i3 Mk2S printer spool, I'm using only one piece of the 30 mm version of this clamp. P.S. My printer is a Prusa i3 Mk2S.
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