Robust Shelf Bracket Extension

This is just a 256mm x 12.7mm shelf extension for Myzhar's Robust Shelf Bracket. I needed a little extra support, and had already printed a couple shelf supports, so I just quickly designed this all in BambuStudio using a cube with negatives. I printed the one pictured from PLA-CF for some added stability, but I also printed one in PLA+ as well which works just as good.