Wall mount receptacle to hold your bottle brushes and other cleaning supplies.  We also used this next to our dryer to hold dryer lint (you are  cleaning your lint trap every time right,) to throw away later. 

There is a hole in the back you you can hook it on a screw in the wall, it has been tapered to reduce overhang. 

Printed in PLA but you could use just about anything, 0.2 resolution and 100% infill