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. 2023 Jul 5;11:1188996. doi: 10.3389/fbioe.2023.1188996

FIGURE 2.

FIGURE 2

(A) General design of the bi-directional soft actuator, (B) cross-section area view showing the separated actuation cavities, (C) exploded view showing the ring constraints, elastomer body embedded with flexible angle sensor, and the Velcro holder for securing on the hand.