Towel Door Hook

My bathroom was lacking a place to hang the towel in reach of the shower, while showering.
The cabin is located close and next to the door, so instead of drilling holes in the tiles, and risking destroying one of them, I decided to create this:
A basic towel (or anything other, really) hanger for mounting on top of a 40mm thick door.

Designed in Fusion 360, and f3d-file included for you to make your own modifications;
e.g. changing the dimensions to fit another thickness of the door.

::UPDATE:: (2019-11-15)
Modified the length of the hook itself so that it actually is able to be used on both sides of the door without being obstructed by door frame.