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The pressure potential energy landscape of two identical fluidic origami cells. (a) Different folding angle combinations, where (i) and (ii) are the parts of the primary folding branch, (iii) and (iv) are secondary. (b) Differential pressure, where cell (1) is pressurized. (c) Uniform pressure. Solid curve is the primary folding branch and dashed curve is the secondary folding branch. In this specific plot: aII = 1.1, aI = 1.1b and γI = 75°. (Online version in colour.)
