His 1000 sq.ft. circular house could be put together by a couple of people in less than 2 days, weighed under 3 tons (lots of aluminum), self-cooling. It was supported by a single mast, and portable. 80 years ago, the ‘kit’ cost $6500, delivered.

You can see the only still-existing house at the Henry Ford Museum site. www.thehenryford.org/visit/…/dymaxion-house/