The following appears on rt.com
A private company located in eastern China has printed ten full-size houses using a huge 3D printer in the space of a day. The process utilizes quick-drying cement, but the creators are being careful not to reveal the secrets of the technology.
China’s WinSun company, used a system of four 10 meter wide by 6.6 meter high printers with multi-directional sprays to create the houses. Cement and construction waste was used to build the walls layer-by-layer, state news agency Xinhua reported.