What also separates Softkill Design from the rest is the speed with which they claim they can get from start to finish. Their 3D printed building can be made in three weeks and put together in just a day. That's a pretty quick turnaround on a house, plastic or not. The single-story Protohouse 2.0 will be printed in a factory, moved in parts to the building site in vans and snapped into place.
Retsin adds: "You don't need any bolting, screwing, or welding on site. Imagine a Velcro or button-like connection. The pieces are extremely light, and they just kind of click together so you don't need any other material."