Here is another robotic 3D printer that can build houses, shelters, warehouses, and commercial buildings. It can make free standing structures up to 5m in height. The robot has a mobile platform with continuous tracks to maneuver and build structures onsite or indoors. It has a sensor network to detect people and perform around the safely.
The X1 has a max payload of 90kg. It can construct a 2000 sq.ft two story house in 8 days.