DB's Master Spool for spooless filament rolls
thingiverse
Got some Inland filament from Microcenter, quality has been the best. But I mistakenly grabbed spooless rolls. Never put much thought to having the spools since I grind them down for injection molding use. Did notice the cost savings! Quick search of the Master Spools, great stuff but none hit me. Here is my version of a durable Master Spool. It's an 8hrs print and 3min assembly. Should last a very long time. I've included inserts for 2, 1 and 1/2 inch spindle filament holders. The support is minimal and obvious why they're needed I used press insert nuts and screws to fasten the walls but a bit of tape around the adjoining parts will do the trick. Hope you like it
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