Module Grid House by Tetsuo Yamaji Architects is a two-story, flat-roofed residence in Saitama, Japan, that uses <i>shakkanho</i>, a traditional measurement system based on grids of tatami mats—each grid measures 30-by-30-feet.  Photo 5 of 6 in Here’s What We Can Learn From Japanese Prefab Homes

Here’s What We Can Learn From Japanese Prefab Homes

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Module Grid House by Tetsuo Yamaji Architects is a two-story, flat-roofed residence in Saitama, Japan, that uses shakkanho, a traditional measurement system based on grids of tatami mats—each grid measures 30-by-30-feet.