Hello,   Please refer to the image below as well as the two attached plans.   I am trying to design an addition onto our existing house. The new addition will be a single addition on the back of the house, shown inside the rounded square highlight. Our second floor is inside the roof, like a cape cod cottage style house. I have attached the model of the base house with our actual roof line. I have also attached the model with the addition drawn and the roof error as a result