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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 12-.

Figure 12-

Sequential deposition in vat-photopolymerization 3D printing technology. A) High-Efficiency multi-material 3D printer based on the sequential deposition of different liquid puddles. B) Hydrogel composite reinforced by rigid polymer structure. C) Composite structure under tensile test. D) Printed multi-material structure consisting of rigid polymer, elastomer, and PEG-diacrylate (PEGDA) hydrogel. E) High stretchability of the printed structure. Reproduced under the terms of the CC-BY Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0).[105] Copyright 2021, The Authors, published by American Association for the Advancement of Science. F) Schematic illustration of a multi-material stereolithography bioprinter. G) Printed structure with four different bioinks. H) Heterogeneous construct with an embedded vessel. Reproduced under the terms of the CC-BY Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0).[193] Copyright 2021, The Authors, published by Springer Nature.