Medicine Cabinet Shelf

I needed a small shelf to organize things in my medicine cabinet, as it only has 2 shelves. This is about 300mm wide, 100mm deep, and about 185mm tall. It has a small lip so things can't fall forward. It's intended to be pushed flush against the back of a medicine cabinet.

Designed in TinkerCAD:
https://www.tinkercad.com/things/gybxr7P3faq-medicine-cabinet-shelf