Movie S4.

Programming “hello”. Upon inflation, the flat sealed path is programmed to shape the handwritten “hello”. The structure (of width w = 1.2mm) is made of a polypropylene sheet of thickness t = 16μm.

Programming curvilinear paths of flat inflatables

Emmanuel Siéfert, Etienne Reyssat, José Bico, and Benoît Roman

PNAS. 2019. 116:16692-16696 DOI: 10.1073/pnas.1904544116