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MIT researchers 3D print three-sided zipper that stiffens into rods, coils, and arches

designboom.com·May 25, 2026

MIT researchers have revived a nearly 40-year-old patent for a three-sided zipper, known as the Y-zipper, which can transition between flexible and rigid states using a sliding motion. This innovative fastening system has applications in various fields, including wearable supports, robotics, and architecture, and is fully 3D printable, allowing for customizable designs.

The revival of the Y-zipper by MIT researchers showcases a significant advancement in the use of 3D printing and computational design for creating adaptable, load-bearing structures. This innovation offers actionable opportunities for professionals in architecture and interior design, particularly in developing rapidly deployable and self-assembling systems like tents or emergency shelters, where quick setup and versatility are crucial. Consider exploring similar systems for modular construction or smart building applications to enhance efficiency and adaptability in design projects.

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