Next Big Future | MIT 3D printing for faster, cheaper, more adaptable building construction Next Big Future This construction method, in which polyurethane foam molds are filled with concrete, is similar to traditional commercial insulated-concrete formwork techniques. Following this ... The whole system could be operated electrically, even powered by solar ... Neri Oxman's new robot 3D prints a building in under 14 hours Video: Watch MIT 3-D Print an Entire Building | Electronics360 3-D printing offers new approach to making buildings |