This reminds me of Wallace Neff's Airform houses, which were built using pneumatic forms and spray-on concrete. https://www.laconservancy.org/locations/airform

This reminds me of Wallace Neff's Airform houses, which were built using pneumatic forms and spray-on concrete. https://www.laconservancy.org/locations/airform-bubble-house https://www.laconservancy.org/locations/airform-bubble-house https://www.mortarsprayer.com/wp-content/uploads/2011/07/Wallace-Neff.pdf https://www.mortarsprayer.com/wp-content/uploads/2011/07/Wal...