This is a hallmark of advanced roofing. The Pro version allows you to set a "Gable Start" height. This creates a hip roof that transitions into a gable as it rises—a notoriously difficult geometry to model manually but a 2-click operation here.
Dormer and skylight placement
And in that instant, a thousand invisible lines snap into place. The fascia boards align. The ridge beam stretches across the void. The shadow of the overhang falls across the virtual door. Instant Roof Pro Plugin Sketchup