Figure 7

Interface friction angle as a function of snakeskin-inspired scale geometry under two shearing directions: (a) scale height (L = 12 mm fixed); (b) scale length (H = 0.3 mm fixed).
Interface friction angle as a function of snakeskin-inspired scale geometry under two shearing directions: (a) scale height (L = 12 mm fixed); (b) scale length (H = 0.3 mm fixed).