Portable Tea Room Douraku-ann

Douraku-ann is a portable tea room designed for temporary use in varied environments. The two-tatami plan follows traditional Japanese spatial principles within a small footprint. The frame is made of domestic cedar and cedar plywood, joined with metal connector units for stability and low weight. Wall panels are made from off-cuts of rush grass, the material used for tatami flooring. The basic module measures 2000 mm in width, depth and height, and can be enlarged with further units. Foldable parts allow assembly without tools, easy transport and repeated reuse.

Portable Tea Room Douraku-ann Sustainable Tea Room by Koji Sakai was highlighted as an innovative representation of architectural design by the A' Design Award. Portable Tea Room Douraku-ann Sustainable Tea Room received the Iron A' Design Award in Interior Space and Exhibition Design in 2026. The A' Interior Space, Retail and Exhibition Design Award is an international, juried, academic and meritocratic design accolade which recognizes exceptional design of residential interiors, restaurants, hotels, offices, galleries, retail stores, showrooms, exhibition spaces and more.

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