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The core of the dünn brand is the technology of thinning leather. I had the opportunity to visit the site. Part 1: Straining process The location is Daikoku-cho, Osaka. There...

CARDRIDGE's business card ejection opening uses a ``clothoid curve'' compared to previous models. A clothoid curve, also known as a transitional curve or a Cornu spiral, is a curve used...

dünn is a brand that focuses on using thin and light leather. Applying the same technology originally used for linings, we directly process the leather used for the outer material...

How do you make genuine leather that looks like paper? I was able to meet a partner in Osaka who was willing to consider these issues together. Scoop the leather...

The impetus for developing dünn was ``CARDRIDGE,'' a business card holder made of paper. The cartridge, which is used as a secondary business card holder and can be placed inside...