thank you for the reply!
The RCP in your example is not quite right. On the RCP, we should see "wall contour" lines - or in this case, the contour line of the curtain wall frame above the door.
That's where I'm having the issue.
AC26 APPLE SILICON USA FULL 4032
Mac Studio 2022, Apple M1 Max, 64GB RAM
13.2 macOS Ventura
learning AC since version 4.5