Bookshelf T-Brace

This is a simple T brace to repair an aging particleboard bookshelf of ours that could pose as the leaning tower of pisa.

The boards on our shelf are 16.5 mm thick so I made the bracket with 18 mm spacing to accommodate slight shrinkage (ngen doesn't shrink much). For other plastics I would scale it up just a bit. The holes for each screw are 6 mm in diameter.

I included a technical drawing so if anyone wants to modify it to fit different board thicknesses they may have an easier time with