Andrew Price on Twitter: "Using the new Archimesh addon in 2.78 to replicate my house in blender. It's such a timesaver! #b3d https://t.co/KV1W7hQcok" / Twitter
Room, Test Archimesh ( Blender add on ) | 3D CAD Model Library | GrabCAD
Merging rooms in Archimesh - Blender Stack Exchange