Phone Shelf

Came up with this when I had a bunch of prints to display in the makerspace-and a bunch of filament that needed to be used, made it so you dont have to screw it in from the front, but you can put screws in the wall, then just mount

Divets on the top line up with the mounting holes

Does not need a lot of infill. Could be modified and have a lot of material removed as well.