3D printer filament real stand

This simple design is intended to hold all sizes of 3D printer filament spools.
You just need to purchase bearings (4 total per spool). The design I made used bearings of internal diameter 7mm and external diameter 22mm. See below for link.
The holes in the body serve no purpose really, they were done because I was board and thought it would add a little flare to the design whilst saving a tiny bit of material.

I used a Prusa i3 Mk3s, but this build does not require a high quality consumer printer.

Bearing link: https://uk.rs-online.com/web/p/ball-bearings/6189935/?relevancy-data=636F3D3126696E3D4931384E525353746F636B4E756D626572266C753D656E266D6D3D6D61746368616C6C26706D3D5E2828282872737C5253295B205D3F293F285C647B337D5B5C2D5C735D3F5C647B332C347D5B705061415D3F29297C283235285C647B387D7C5C647B317D5C2D5C647B377D2929292426706F3D3126736E3D592673723D2673743D52535F53544F434B5F4E554D4245522677633D4E4F4E45267573743D36313839393335267374613D3631383939333526&searchHistory=%7B%22enabled%2