magazine. With funding from the National Science Foundation, Khoshnevis has developed this 3D extrusion system and now says it could be used to build concrete homes. Concrete would be extruded from a nozzle mounted on a large gantry and rails at the jobsite. As layers build up the

Printing Concrete Houses
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Printing Concrete Houses

Using a 3-D rapid-prototyping machine could allow one to construct houses with... Read more

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