Cubicle Backpack Hook

This is a hook for a backpack onto a cubicle wall (wall width is 52mm, I don't think walls are standard, but there are only like 3 different widths)

A few things to note, after I took the picture, I realized the hook was wider than necessary, so the stl is now a bit more narrow. The writing in the picture above isn't actually on it, that was customized later.

Update: This design proved to be a bit weak after a month of use, so I redesigned it to add strength at the weakest areas. It