Wall Mounted Spool Holder with bearings

A wall mounted spool holder that uses the 608 bearings and the 8\*120mm aluminum tubing from the Prusa MMU spool trays. NOTE: I've included links to examples of these below in case you don't have these parts from the Prusa trays.

I came up with this [Wall Mount for Prusa Multiple Materials 2S Filament Buffer](https://www.thingiverse.com/thing:3517370) solution because I couldn't fit five Prusa Trays on my desk behind the printer.

I needed pegs for the wall mount solution and wasn't happy