World’s first product combining innovative latest 3D printing technology and traditional Japanese katana craftsmanship.
The product consists of a Japanese katana made by craftsman who inherit traditional technique with more than 400 years of history in Kansai region, and a 3D print designed katana sword case “SUMISAYA” which reflects intimitate beauty of the sword, and provide a completely new way of katana appreciation.
The design focused on “Hamon”, an elegant distinct swerving line down the center of the sword, and sharp cross sections of the sword giving a feeling of tense. Though those elements are hidden in the traditional cases, the product was designed to reflect them by using 3D printing technology, creating a completely new way of katana appreciation.

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