The default hopper that comes with the Eureka Mignon grinder is quite big and badly designed for single dose grinding.
This hopper fits snuggly in the enclosure.
It's also one of my first prints, so any improvements are welcomed. I'll iterate and update this description with the improvements.
GCode included for Prusa Mk3s+, stl as well so you can make your own.
Enjoy!
The author hasn't provided the model origin yet.