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. 2016 Dec 21;11(1):0145011–0145019. doi: 10.1115/1.4034575

Fig. 16.

Fig. 16

This sequence shows the wrist bending from the tip first. In order to accomplish this behavior, the wrist is manufactured such that the most distal cutout has the deepest cut depth, and each sequential cutout is shallower than the cutout before it. This lowers the required actuation force for the most distal cutout and results in the behavior seen here.