Fig. 4: Deployable materials and devices.
From: 4D printing of reconfigurable metamaterials and devices
a An illustration of the design strategy and printing path of a shape-shifting unit cell made of in-plane bending elements and passive connectors. b Computationally and experimentally obtained deformation characteristics of the expandable unit-cell. c Deployable cylinders made of different combinations of unit cells. d The dimensional scaling of the deployable stents. e The deployment of a bifurcation stent within a model artery. See Supplementary Videos 6, 7.
