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. 2023 Apr 5;18:1809–1821. doi: 10.2147/IJN.S402855

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© 2023 Hann et al.

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CAD images (STL) of the 4D disc constructs with (a) LN, (b) DA, and (c) HX patterns. SEM and photo images of the 4D constructs with different printing patterns, including (d) linear (LN), (e) diamond (DA), and (f) hexagonal (HX). Scale bars, 100 µm for SEM and 1 mm for photo images.