To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S4. Folding sequence of an architectural canopy structure created from geometrically varied zipper-coupled tubes. Origami tubes assembled into stiff, yet reconfigurable structures and metamaterials Evgueni T. Filipov, Tomohiro Tachi, and Glaucio H. Paulino PNAS. 2015. 112:12321-12326 DOI: 10.1073/pnas.1509465112 Download Original Video Browse All Videos »