The Shower Valve Was Centered, but the Trim Still Looked Wrong

On a small bathroom remodel, the shower valve looked centered when the plumber finished rough-in. Stud to stud measurement was right, the pressure test passed, and nobody said anything until we dry-fit the trim. The problem showed up after cement board and waterproofing: the escutcheon sat proud on one side and the handle sleeve barely caught the threads. From the front it looked like bad tile…