Spool holder for Printrbot Metal Plus

This spool holder snaps onto the top back of the printer and holds a roll so it can feed smoothly and easily be swapped.

If you make this and try it on your printer please post how it fit, I have no idea if the way they form the metal for these things is super consistent.

The small hole spool version is the currently preferred version, it was made to fit through the small hole in Taulman reels at the suggestion of user kcriqui and should work with any spool. If you find a spool that does n