Makerbot Replicator Mini+ (plus) Spool Holder and Filament Guide

The spools that fit the Makerbot Replicator Mini + (plus) are small and sometimes you want to hook up the machine to larger spools, but unfortunately these won't fit in the machine. This spool holder solves that for you with an easy clip to stick on the back of your Makerbot.

There are three spool holder designs:
1. Compatible with all spools but the spools do not greatly fit because they are sitting loose...
2. Compatible with all spools, also wider spools up to an 80mm width. Still they a