This model is designed to store Miele PowerDisks in a kitchen cabinet. The main purpose is to store it in such a way that kids are not able to play with them, and to organise the kitchen a bit more. 

When you print this design twice and hang them behind each other, it fits 3 PowerDisks. It fits both original PowerDisks, as well as PowerDisks with a 3d-printed lid. 

It doesn't require special print settings, nor supports or brim. I used PLA and 15% infill.