How America’s first two-story home is being 3D-printed

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Three-bedroom residence with 370 m² is being built with a 12-ton press. Machine releases layers of concrete to raise walls. Company uses 3D printer to build two-story house Houses made with 3D printers are already a reality, but they tend to be small and have only one floor. Now, a company in the United States is working on the first “print” of a two-story house in the country. The project, which is being carried out in Houston, Texas, uses a 12-tonne machine that loosens layers of concrete to climb the walls. The expectation is that 330 hours of printing will be needed to finalize the structure. All this time will be used to build a three-bedroom house measuring 370 m², which should be ready in the second half of 2023. It will be sold to a family that prefers to remain anonymous. A 12-ton printer builds house walls with several layers of concrete Press Release/Hannah For architect Leslie Lok, co-founder of studio Hannah and designer of the house, the alternative way of building brings new challenges. But design logic can be used in larger projects. “Even though it’s a single-family house, the intent of the project is really to think about how we can design, develop and print multi-family housing,” Lok told Reuters. “In designing this house, we didn’t just think about the general floor plans and usage, but we also designed the print path, how the printer will do it, where it starts and where it ends,” she added. The model used in the house is also new for those involved in the day-to-day work. “While concrete is an old material in general, 3D printing concrete is something new,” said Hikmat Zerbe, head of structural engineering at Cive, another company responsible for the construction. READ ALSO: Photos of the Starship, the spacecraft that SpaceX will use on trips around the Moon ChatGPT: the conversational robot that went viral for having the answer to (almost) everything Start of construction of a house made with a concrete printer Press Release/Hannah House must be ready in the second half of 2023 Press Release/Hannah House made with a concrete printer in the US will have two floors and 370 m² Press Release/Hannah In addition to concrete, the ‘printed’ house will have wood finishes Press Release/Hannah The printer is expected to take 330 hours to finalize the structure of the house Press Release/Hannah The goal is that, in the future, 3D printers will be used to build larger buildings Press Release/Hannah

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