The walls are not all up yet, and I have to learn how to put a roof on. Lots more to do, but it's moving along nicely. This version has a wider side and the extra 3 feet seem to make a big difference inside.
These dimensions are 53' x 30' without the sunroom.
It's the little things that make it all easier. I found out how to make a 2D floor plan by using Camera View in the 'Top' mode, and today I learned about using 'Parallel Projection' to keep it from becoming a 3D view when I don't want 3D. Here's the result: