Modern Prefab Architecture, Ecoms House by Riken Yamamoto. A creative architectural space and modern space, inspired by the use of tatami mats on the order of Japanese-style house, built with an aluminum panel structure. The house that mimic the form of puzzle box Prefacture Saga is located in the Japanese archipelago at the southern end. Architecture called Ecoms House was designed by Riken Yamamoto. Ecoms House very appropriate as a home for small families, have two bedrooms, bathroom, dining room, workroom, and storage on one floor and the kitchen.