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Reasons for sticking to clothoid curves
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...
Reasons for sticking to clothoid curves
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...

Facing the material called leather ~ About the ...
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...
Facing the material called leather ~ About the ...
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...

Manufacturing at a sewing factory in Higashiosaka
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...
Manufacturing at a sewing factory in Higashiosaka
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 reason was because I wanted to make "paper-...
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...
The reason was because I wanted to make "paper-...
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...