Medicine Cabinet Shelf

My wife and I bought a little shelf by OXO that is designed to go into a medicine cabinet. The idea of the shelf is it allows you to store smaller items inside your medicine cabinet without wasting the whole shelf. Think of it like a half length self.

The problem we ran into is OXO stopped selling it on their website. I figured since I have a 3D printer I would print one out.

The whole thing is 5 1/8" tall (131mm), 6 3/8" wide (161.6mm) and 3 1/4" deep (82.7mm). I printed mine laying