JuliaTruchsess shared this project on Thingiverse!
Since publishing the Filament Server System in 2013, I’ve sought an improved system requiring less printing, fewer loose parts, less assembly, and easier spool changeovers. When I created the pipe-based, wall-mounted Spool Storage Rack last year, I became intrigued by the idea of feeding directly from spools sitting on pipes, but the friction of the spool edges on iron pipes is too great.
As it turns out, the black drainage pipe sold in Home Depot and Lowe’s, from “Charlotte Pipe” is made from a very “slippery” material that allows most (but not all) filament spools to turn freely. Normal PVC plumbing pipe will not work, it has too much friction. For spools that don’t turn freely on the Charlotte pipe (cardboard, for one), or for situations requiring absolute minimal pulling force, I designed a snap-on axle support, two of which can support a piece of 2″/50mm OD plastic pipe acting as an axle. The scheme can be seen in action here: https://youtu.be/O7FAWeHpkeU
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