Architects and designers are very excited about the potential of 3D printing and expecting big things when the right people master it. Most everyone thinks of creating products and not bigger objects that would fall into the realm of architecture. A story making the media rounds right now is in fact ten years old. At the University of Southern California, Behrokh Khoshnevis, a professor of Industrial & Systems Engineering, has been developing a process called [ Contour Crafting ] a robotic extruding system that could efficiently print habitats. Below is a video taken at a TED talk in Ojai, California in 2012.