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. Author manuscript; available in PMC: 2022 Dec 1.
Published in final edited form as: Adv Mater. 2021 Oct 1;33(49):e2104730. doi: 10.1002/adma.202104730

Figure 13-.

Figure 13-

Multi-wavelength photopolymerization approach. A) Schematic illustration of the multi-wavelength 3D-printing setup. B) multi-component photoresin consisting of acrylate and epoxy monomers. C) Design of a two-component sea star construct. D) Swelling actuation of the 3D-printed part with soft hydrogels and stiff hydrophobic networks. Scale bars = 25 mm. Reproduced under the terms of the CC-BY Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0).[196] Copyright 2019, the Authors, published by Springer Nature.