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3DP IDEA | The Serpentina Ben: Fluid Design 3D Pen

November 4, 2025 Applications KAIRI EGUCHI 17513

The "Serpentinata Benjamin" ballpoint pen is designed to transform the yellowing of plastic from a flaw into a unique, personalized aging process that reflects the user's long-term ownership.

Serpentinata Benjamin WELD DESIGN STORE

Dependling on the materlal, plastic can turn yellow under the intluence of ultraviolet rays. This phenomenon, known as "yellowing," wasoriginally frowned upon and regarded as a bad thing for industrial products.

The 3D printed ballpoint pen "Serpentinata," which will be born in 2020, is designed to tackle this new interpretation of plastic. SerpentinataBenjamin" is a product that reinterprets the negative phenomenon of yellowing into a positive one.

The transparent material, which refracts beautifully even to the refil, turns a beautiful candy color over time and does not return to itsonoinal transoarency, it is an expression ofthe passage oftime, and at the same time. a par of the life of the user who has been using thetool for a long time.

Products such as musical instruments, smalleather goods, and wooden furniture that are used by people over a long period of timebecome their own unique colors. This ballpoint pen will age with the user through long use, and each piece willtake on its own personalityThis is a special ballpoint pen that contains the pleasure of nurturing.

*The candy-colored pen has been used by Kairi Eguchi in a bright area for about six monthsThe actual sold state will be in a perfect transparent color.