MendelMax Spool Holder

I have a MendelMax 2.0 printer, which, like several other printers, is built with an extruded aluminum frame. One of the great things about these extruded aluminum frames is that you can easily attach things to them using bolts and T nuts. So why not bolt a spool holder onto my frame?

I created this spool holder to handle 1kg spools. The two bearings allow the spool to rotate freely and very smoothly.

I've tested this with Ultimachine 1Kg spools, and it works with either orientation of the