So I researched the posts and found two proposed methods of adding shims to the kidney plate. Both are feasible and work but have their drawbacks. For instance when you bend on it while wearing you can get a hairline crack where the old seam is because the epoxy or ABS sludge is simply not thick enough there to support any stress. I tried both methods and wasn't happy for that reason and tore it apart.
I ended up figuring out what I think is the strongest method to add a shim that yo