Fig. 3: Complex shape-morphing programming.
From: Multi-mode geometrically gated encryption with 4D morphing hydrogel
a The shape-morphing process and mechanism of the programmed P(NIPAm-co-Tpy) hydrogels. b Simulated stress distribution in the thickness direction of TIH and PIH, respectively. c Illustration and images showing the complex shape-morphing process with anisotropic deswelling stress. d Illustration and images showing the shape-morphing with isotropic deswelling stress. Scale bars: 1 cm.
