mm3SpoolHolder

Wanted to have my spools on bearings but also like the MM3's OE spool holder. This is a very V1 attempt at a spool holder that works like a tire balancer. Two cones hold the spool allowing for a slight variance in the ID and the width of the spool. I measured the few different spools I had on hand to get the parameters, can't remember what they were now. Filaments.ca and MTW spools fit like a dream. One could mod the cone shape easily to tailor it to their spools.

One cone is on a threaded sh