![[article image]](https://cacm.acm.org/system/assets/0004/4638/011823_REUTERS-Evan_Garcia_3D.large.jpg?1674062872&1674062872 "A 12-ton industrial 3-D printer being used to print concrete.")
A massive three-dimensional (3D) printer is being used to build what is thought to be the first 3D-printed two-story home in the U.S.
Weighing more than 12 tons, the machine printed concrete layers into a 4,000-square-foot, three-bedroom home in Houston, TX, which architect Leslie Lok at design studio Hannah said would take 330 hours to complete.
The residence is a two-year collaboration between Hannah, Peri 3D Construction, and construction engineering firm Cive.
Cive's Hikmat Zerbe said he hopes the 3D printing method will accelerate the construction of multifamily homes at less cost.
From Reuters
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