Here is another robot that can 3D print a home faster than traditional ways. The Frank 3D printer from Apis Cor has a compact design and can build buildings up to 3 stories tall. It has a tablet controlled platform. Frank has a rugged, lightweight design and works on sand, grass, and gravel.
Frank has a smart spatula on its nozzle to prevent sausage effect. It can be set up in 30 minutes and has no limit on print area.