Building a 2,500-square-foot house in less than 20 hours? It sounds like a tall tale, but a professor at the University of Southern California says it is absolutely possible. He would toss out traditional building practices and replace them with a single 3D printer.
It's called contour crafting, creator Behrokh Khoshnevis, the director of the manufacturing engineering graduate program USC, tells CBS News.
"Construction the way it's done today is very wasteful," he explained in a presentation at TEDxOjai. "Our solution benefits from advanced technology...It is essentially a way of streamlining the process of construction by benefiting from the experience we have gained in the field of manufacturing."
The 3D printer lays out concrete and interlocking steel bars as it builds a structure. Khoshnevis says that the printer can handle the plumbing, electrical networks, and flooring for multistory buildings.
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