Universal Filament Spool Holder for M300

This replaces the OEM spool holder included with the Zortrax M300 printer. It allows you to use rolls meant for the M200 and M300 without needing to change the spool holder to a different size. It will also hold regular (non-Zortrax) spools.

I've used it to hold the 2kg zortrax rolls (the big ones) and it is very strong. I printed it with the large circular base on the bottom, using supports and high infill, on my Creality CR-10 S5. The only place supports are actually used are in the base wh