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. 2021 Jan 15;7(3):eabd6978. doi: 10.1126/sciadv.abd6978

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Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1 — Schematic diagram of the comparison of the preparation process of the conventional FASC device with (A) parallel, (B) twisted, (C and D) coaxial architectures, and (E) our development of three-dimensional (3D) printing coaxial FASC device via a direct coherent multi-ink writing (DCMW) technology.