Fig. 15. (a) Images of the 3D print of a mako shark (Isurus oxyrinchus) skin denticle. Reproduced from ref. 2 with permission from Company of American Physical Society, copyright 2016. (b) 3D-printed shark denticles are combined with a flexible substrate to prepare a bionic shark skin (each denticle is about 1.5 mm length). Reproduced from ref. 43 with permission from Company of Biologists Ltd, copyright 2014. (c) Three-dimensional modelling of the shark skin surface and 3D printing formed by arranging the scales in different directions. Reproduced from ref. 174 with permission from Company of Springer Nature, copyright 2018.