Located in Georgetown, a suburb of Austin, Wolf Ranch is the world's first and largest 3D-printed neighborhood, complete with eco-friendly features such as rooftop solar panels, smart thermostats ...

As with any desktop 3D printer, the Vulcan printer pipes layer by layer to build an object – except this printer is more than 45 feet (13.7 m) wide, weighs 4.75 tons and prints residential homes.