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a) Schematic diagram of 3D‐printing process. b) Examples of complex structures produced via 3D printing; human ear (left), and side/top views of a sheep meniscus (right). c) Schematic illustration of the DCW process, and resulting aerogel. a) Adapted with permission.[ 257 ] Copyright 2019, Wiley‐VCH. b) Adapted with permission.[ 253 ] Copyright 2015, American Chemical Society. c) Adapted with permission.[ 213 ] Copyright 2019, MDPI.
