The world's largest community of 3D-printed homes, located in Texas, has unveiled its first completed house. CNN reports: With walls "printed" using a concrete-based material, the single-story structure is the first of 100 such homes set to welcome residents starting September. The community is part of a wider development in Georgetown, Texas called Wolf Ranch. It's located about 30 miles north of Austin, the state capital, and is a collaboration between Texas construction firm ICON, homebuilding company Lennar and Danish architecture practice Bjarke Ingels Group (BIG). On Saturday prospective buyers toured around the finished model home at the project's grand opening, and some of the units have already sold, ICON spokesperson Cara Caulkins told CNN via email. Images of the newly completed building shared by the company show brightly lit interiors and curved gray walls. The walls are made from a concrete mix called Lavacrete, which is piped into place using 46-foot-wide robotic printers. After the walls are printed, the doors, windows and roofs -- all of which are equipped with solar panels -- are installed. ICON says more than a third of the homes' walls have now been printed, and the properties currently on offer are being sold at $475,000 to $599,000. The 3D-printed homes range in size from 1,500 to 2,100 square feet and have three to four bedrooms.

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