Fig. 2: The mechanical behavior of the designed LIO structure.
From: 3D printed leech-inspired origami dry electrodes for electrophysiology sensing robots
a Schematics of the posterior sucker and body of leech and b their corresponding leech-inspired non- and auxetic origamis with the folding features under compression. c The actual images of 3D printed LIO under compression, side views (top), and top views (bottom). d The normalized area changes of LIO. e Rotated angles depending on compressed distances. f Representative photos of the adhesive performance of the designed LIO.
