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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 11-.

Figure 11-

Sequential injection multi-material vat-photopolymerization approaches. A) Schematic illustration of dynamic fluidic control-based multi-material 3D printer. B-E) Multi-component structures: (B) two-component tensegrity structure with high aspect ratio beams, (C) Taiji symbol, (D) two-component bilayer micro-capillary structure, and (E) three-component helix structure. Reproduced with permission.[188] Copyright 2019, Elsevier. F) Schematic illustration of the DLP-based bioprinter based on the sequential injection of different bioinks into a microfluidic chamber. G) the four-step bioprinting process inside the microfluidic chip. H) multi-component constructs: a two-component GelMA structure (left), and a three-component star-shaped pyramid (right). I) A tendon-to-bone model bioprinted with this approach with different cell-laden GelMA hydrogels. Reproduced with permission.[189] Copyright 2018, Wiley-VCH.