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

thingiverse

I recently purchased a Prusa MMU2s system, and I knew right away that I wouldn't be using the included spool holders due to their space-consuming design. I'm absolutely thrilled with Vincent G.'s auto-rewind spool holders and have been utilizing them on all three of my printers. To keep these spool holders out of the way while still providing stability, I required a creative solution. This is actually my third attempt at designing such a holder, and I firmly believe this one surpasses its predecessors. The axle included in this design is an adaptation of Vincent's original concept. Upon testing, I discovered that using his axle caused the two brackets to separate, resulting in the spool falling. To prevent this issue, I've made adjustments accordingly. For constructing the shelves, I opted for 2-inch by 1-inch wood, which translates to 5.08 x 2.54 centimeters in metric measurements.