This is a hook I designed to solve one problem: Keeping things off the ground (I'm out of ideas at this point) Jokes aside, this was actually designed for cable management. But a few weeks later I realized this isn't exclusive to keeping cables off the ground. My first use other than what I designed it for was for holding sweaters. It uses #0 square flathead screws (I think, I don't know a lot about this type of screw/measurement). Print with all Perimeters rather than 100%  infill.