Gravity spoolholder, higher angle

This is a remix of the gravity spoolholder for MMU2 from prusaprinters.org:
https://www.prusaprinters.org/prints/10370-gravity-spoolholder-for-mmu2s

The spools won't rewind sometimes on the original design, so I made the incline steeper.
Also, I'm too lazy to make a right and a left side, just mirror it to get the other side. :)