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. 2020 Apr 10;10:6258. doi: 10.1038/s41598-020-63020-9

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Multicolor hinged structure for multistep actuation. (a) Schematic for the multicolor hinged structure. (b) Example of multistep actuation. This hinged structure can transform into different 3D shapes depending on the color of light and duration of illumination. See also Videos 6–8.