Engineers Printed a 1000-Square-Foot House Out of Soil—No Concrete Needed
created: Aug. 19, 2025, noon | updated: Aug. 22, 2025, 2:29 p.m.
Called the “Lib Earth House Model B,” the home is five times stronger than the company’s previous model and includes an integrated in-wall condensation detection system for constant monitoring of the home’s stability.
In July, the Japanese architectural firm Lib Work announced the successful construction of the “Lib Earth House Model B,” which is a 1,000 square-foot home constructed entirely from soil—no concrete required.
Lib Work claims that the Model B (built in Yamaga, Kumamoto Prefecture) is five times stronger than the previous model, which was constructed earlier this year.
According to Archinect, Lib Work is the world’s first fully automated home construction system.
With entire neighborhoods being constructed using 3D-printing in the U.S. and around the world, homes like the Model B could a win-win solution for communities and the climate.
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