Programming Reversibly Self-Folding Origami with Micropatterned Photocrosslinkable Polymer Trilayers

selffold_origami

Developments in origami mathematics over the past few dec-ades have enabled the systematic design of folded structures with arbitrary complexity, extending the capabilities of the form well beyond the diversity of shapes achieved with traditional paper art, and highlighting its power as a tool for the fabrication of 3D objects from 2D sheets. More recently, an area of considerable interest has been the development of self- folding structures that undergo autonomous transformations between programmed shapes in response to external triggers or changes in their environment. The ability to use origami design principles to controllably fold, unfold, and refold thin sheets prepared by planar fabrication techniques would offer great promise for applications in biomimetic systems, soft robotics, and mechanical metamaterials, especially for fabrication of structures on small length scales, where traditional manufacturing processes fail.

J.-H. Na, A. A. Evans, J. Bae, M. C. Chiappelli, C. D. Santangelo, R. J. Lang, R. C. Hayward, Adv. Mater.27 79-85 (2015) pdf SI

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