Design exactly the roof you want with manual roof planes.
Place a gable over a door or window without breaking the wall into sections.
Set up your structure to accept a dormer without error.
Build a variety of dormers by modifying these settings.
Draw a dormer condition where the dormer sits on the roof plane or one that has support walls that extend to the floor below.
Automatically generate three different types of roof return: Gable, Hip or Full Returns.
Get just the right ceiling for that grand room by using soffits.
Create a closet with a plant shelf ceiling that is lower in height than the containing room.