I won’t even try to out-do Rob’s previous post title. We need a return from the hall to the HVAC equipment in the little bedroom soffit. Here’s the rectangular cut lines, above the door, ready to go:

Skip the messy cutting and straight to the exciting test fit:

We found this antique grille at one of our favorite architectural salvage places, Olde Good Things in Scranton last year. A little scrape/clean/ paint and it’ll be ready to install.