This entire three-bedroom house was 3D printed using liquid concrete in just 12 hours. The 1200sqft build was unveiled to the new homeowner April Springfield and her 13-year-old son this month in Williamsburg, Virginia, USA. It took just 12-hours to print the concrete foundations of the three-bed, two-bath property, which would nominally take four weeks. Using concrete as its primary material can cut building the cost of building by up to 15% per square foot. It is also a great insulator so lowers heating and cooling bills, and its strength provides great protection against tornadoes and hurricanes. The building is also EarthCraft certified, meaning it minimizes environmental impacts and will not cost as much to maintain. April has supervised the laundry facilities at a local hotel for nearly five years, but her income is still less than 80% of the area median income. This has made it difficult to save enough to become a homeowner, but she used at least 300 hours of 'sweat equity' building the house herself to subsidise the cost. The project was organised by charity Habitat for Humanity in partnership with 3D-printing company Alquist. The Habitat Homebuyer Programme has offered April a mortgage with repayments of no more than 30% of her income, and puts money back into the community to build more affordable homes in the US. Construction of each home built by Habitat for Humanity Peninsula and Greater Williamsburg is a cooperative effort between volunteers, house sponsors and the buyers. April has also got her own personal 3D printer allowing her to reprint anything from electrical outlets to door knobs. This is the non-profit's first 3D-printed home, but expect to unveil their second in Tempe, Arizona, next month. Shot within January 2022.
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