Case for Curaprox UHS 420 duo

The case for the Curaprox UHS 420 duo interdental brushes holder

Curaprox UHS 420 duo:
https://shop.curaprox.us.com/interdental-brush-holders/104-uhs-420.html

Curaprox is not offering any case for its uhs 420 duo interdental brushes holder so I decided to design one as my first project for my brand new Prusa MK3S.

I believe that Curaprox UHS 410 MONO can fit in also. (not tested).