Simple two prong wall hook designed for hanging brooms, shovels, rakes, and other items. This hook attaches to the wall using LoboCNC's drywall nubs linked below. The spacing between the two nubs is 25 mm.

Drywall Nubs by LoboCNC | Download free STL model | Printables.com

I printed these in ERYONE PETG-CF for extra strength, however any material should work. I also used 5 walls to make it nice and sturdy. No supports required.