Doable by getting the underlying model curve of the roof. Note: You will need to figure out which curve is which.

and the DYN: (uses rhythm package):
setRoofSlope.dyn (16.0 KB)
Doable by getting the underlying model curve of the roof. Note: You will need to figure out which curve is which.

and the DYN: (uses rhythm package):
setRoofSlope.dyn (16.0 KB)