To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Zipper-coupled tubes. Shown are assembly from two single tubes, flat folding, eigenmodes, and system actuation from one end. 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 »