You can try something like this..
Revit2025-voids.rvt (10.2 MB)
Add an Arc Wall (by profile).3dm (174.2 KB)
R8-Revit2025-Voids.gh (9.8 KB)
had to cut some corners, but something to get you started
Similar workflow.. What is the purpose of "void" component RiR? - #14 by woodhouse