[CNN] Unveiled in February, “Stealth House” is Japan’s first 3D-printed two-

CNN 国际新闻


📌 标题:Unveiled in February, “Stealth House” is Japan’s first 3D-printed two-story home. Building-tech startup Kizuki collaborated with more than 20 companies, including ONOCOM to create the home, which meets strict building codes for seismic design in a country where earthquakes are common.Kizuki Co. Ltd

📅 发布时间:Updated May 7, 2026, 1:51 AM ET

📝 英文原文:
Japan’s construction industry is facing a productivity crisis, as soaring material costs and an aging workforcethreatenthe future of the nation’s$625 billionsector.But an earthquake-proof 3D-printed house is giving hope that additive manufacturing could be the answer.Unveiled in February, “Stealth House” is Japan’s first 3D-printed two-story home. Building-tech startup Kizuki collaborated with more than 20 companies, including ONOCOM to create the home, which meets strict building codes for seismic design in a country where earthquakes are common.“It marked the first time in Japan that a full process — from feeding design data directly to the printer, to continuous on-site construction, and finally finishing works — was successfully realized at a two-story residential scale,” Rika Igarashi, Kizuki CEO, told CNN in an email.Unveiled in February, “Stealth House” is Japan’s first 3D-printed two-story home.Kizuki Co. LtdInspired by natural cave formations, the 6-meter (20-feet) tall, 50-square-meter (538-square-foot) house took just 14 days to print on site — from foundation to rooftop parapet — using a giant gantry printer, says Igarashi. The exterior walls employed a “hollow structure” filled with a reinforced concrete frame to meet building codes.3D-printed construction (3DPC) technology has long beenheraldedfor its ability to save time, reduce labor, increase safety at work sites, and substantiallycut material waste, while enabling more flexible and unusual designs.But governments and institutions have been cautious around new construction innovations, and slow to update regulations, creating a barrier to adoption.Kizuki’s “Stealth House” is more than a demonstration, though: the home, in Kurihara City, Miyagi Prefecture, sold (for an undisclosed price), which the company says is proof that there is demand.The house takes inspiration from natural cave formations for its design.ONOCOM Co., LtdThe home features a kitchen designed by Spacewasp, and interior design by S

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🇨🇳 中文翻译:
日本建筑业正面临生产力危机,材料成本飙升和劳动力老龄化威胁着该国价值 6250 亿美元的行业的未来。但抗震 3D 打印房屋带来了希望,增材制造可能成为解决方案。“Stealth House”于 2 月推出,是日本第一座 3D 打印两层住宅。建筑技术初创公司 Kizuki 与包括 ONOCOM 在内的 20 多家公司合作建造了符合严格 Seis 建筑规范的住宅



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