The file 'Simple And Strong Double Wall/door Hook 3D Printer Model' is (stl) file type, size is 6.7KB.
This is a modification/remix of the Simple wall hook(s) by Halfwitt2 http://www.thingiverse.com/thing:1663352
I added a top hook, added fillets in the corners for extra strength, countersunk and moved the screw holes slightly for best spread of load.
Simple_wall_hook_modified__04.stl | 23.0KB |