Needed a space mouse for my space mouse case author link: https://www.thingiverse.com/thing:2800399
You don't have to put it on a space mouse but I figured that I would share this color modifier stl. Had some crap on the nozzle at the color change so it didn't print perfect but it's fine for me.
Printer:
Bambu X1C
Rafts:
No
Supports:
No
Resolution:
any
Infill:
any
Filament: any any any
Notes:
use the modifier any way you like.