IEEE Spectrum | Watch This Robot 3D Print a Building Out of Spray Foam IEEE Spectrum It's battery powered (with a few solar panels on it and an option for more to be attached), so it can potentially run forever, or as long as you have sun. Otherwise, the DCP mimics much of the functionality of a 3D building printer: It ... The ... Watch a 3D Printer Make an Entire Building | News & Opinion ... MIT 3D printing for faster, cheaper, more adaptable building construction Neri Oxman's new robot 3D prints a building in under 14 hours |