T-slot filament reel holder
thingiverse
Upon examining thing:41744, I considered it a perfect fit for my TK-0 (thing:31412) once I complete its OpenSCAD files. However, some modifications came to mind - incorporating extra 8mm threaded rods and 608 bearings. Additionally, I wanted to try slide-in connections to minimize vitamins usage. Please note that this design is unprinted and untested. For printing two bearings holders per roll of filament, followed by an additional holder for each subsequent roll, simply install 608 bearings on both sides of the middle holders. You may also opt for bearing flanges during printing.
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