Auto-Rewind spool holder hanger for 1x2 wood spool shelves (3D Printing Nerd shelves)

When i got my Prusa MMU2s system i knew i didn't want to use the included spool holders because they take up so much room. I Love the auto-rewind spool holders Vincent G. designed and have been using them on all 3 of my printers. I needed a way to keep the spool holders in place but kind of out of the way. This is my third holder for these spools and i think this one is the best one so far.

The Axle included in this Thingi is a remix of Vincent's original. I found that using the one in his