Customizable Spool Holder and Bracket for Eventorbot

A customizable spool holder designed to fit the mounts of Eventorbot.

User can adjust diameter and length of the spool holder, along with an optional offset (as "spool diameter") which will change the bracket to mount the holder lower on the Eventorbot. For the most part the "spool diameter" variable is not intended to be changed however.

Note that differences in the spool hole diameter will result in a change in the bracket size, so different diameters will not be interchangeable with ea