Shelf Support Bracket

The ones in my apartment were falling apart and I had a couple boards that had to be unused. I may have drilled a screw or two in as well. So, I finally got to making my own brackets. These work with M3 Screws with 18mm of threading. These fit nicely into the old peg holes with slightly more grip and a bit more depth to really lock in without damage.

I accidentally printed PLA with just 30% infill but they are holding up great. The screw on the inside gets most of the load and the screw ribbing is close to the horizontal plate so not much is needed.

No supports.