There's a YouTube channel, "My Little Homestead" where a family builds various house-additions and structures out of stucco-covered dirt-filled sandbags. Dunno

There's a YouTube channel, "My Little Homestead" where a family builds various house-additions and structures out of stucco-covered dirt-filled sandbags. Dunno how that sort of construction technique pans out long-term or large-scale but you could get the sort of floorplans the GA generated out of it.