This picture shows a loam house built with a 3D printer\r\nA new kind of 3D-printed house is currently taking shape outside of Bologna, Italy, and its makers think it could be the future of sustainable 3D-printed architecture. Called the TECLA, the house is built from clay extruded into an elegant mound shape. It’s the work of Mario Cucinella, an architect who founded the School of Sustainability and helped develop the printer technology behind the project.