A Zipper Patent Sat in a Garage for 40 Years. Now It's Real.
Summary
The article covers the Y-Zipper, a three-sided, 3D-printed fastener that can transform flexible structures into rigid, load-bearing beams. It traces the idea back to a 1985 Polaroid patent by Bill Freeman, highlights MIT CSAIL’s successful realization, and discusses a software-driven design workflow and broad potential applications from camping gear to robotics and space. It also frames this as a notable example of long-horizon innovation finally reaching practical implementation.