Fig. 6: Zero-thickness origami-kirigami regular quadrangular pyramid and thick-panel regular quadrangular pyramidal structures (TPRQPSs). | Communications Engineering

Fig. 6: Zero-thickness origami-kirigami regular quadrangular pyramid and thick-panel regular quadrangular pyramidal structures (TPRQPSs).

From: One-degree-of-freedom flat-foldable thick-panel origami-kirigami structures: modular arrays and closed polyhedra

Fig. 6

A, B Zero-thickness 2D and 3D origami-kirigami patterns of regular quadrangular pyramids, respectively. The blue solid lines represent mountain creases, the red dashed lines represent valley creases, and the green dotted line represents slit creases. C, D The 3D models of TPRQPS-1 and TPRQPS-2, respectively; E Ratios of change in volume and surface area of TPRQPSs. F, G The folding sequences of TPRQPS-1 and TPRQPS-2, respectively. H The folding sequence of a metal prototype of TPRQPS-2.

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