This is a storage compartment designed for our toilet - to keep some wet tissues or something in it...
Designing this thing was quite interesting; it was fun working on it :)
But It turned out that it's difficult to print - or at least my printer had a hard time making it - so I split it into 2 pieces and glued them together.
I used doublesided tape to fixate it to the wall.
I've used cura to slice the model - and I've found that enabling tree support for this model makes the support much easier to remove.