Fig. 1: Examples of trapezoid-based origami folded from cardstock. | Nature Communications

Fig. 1: Examples of trapezoid-based origami folded from cardstock.

From: Coarse-grained fundamental forms for characterizing isometries of trapezoid-based origami metamaterials

Fig. 1

(i) quasi-cylindrical ground states, (ii) rigid folding cylindrical isometry, (iii) non-rigid shear isometry, and (iv) diagramatic representation of compatibility conditions with line styles signifying the coupling between amplitudes on the adjoined vertices and triangles indicating periodic directions (see Supplementary Note 4 for more details). A Cylindrical geometry from Arc-Miura. B Extension of the pattern in panel A exhibiting a locked configuration. C Archimedean spiral from a graded Arc-Miura pattern. D Lemniscate of Bernoulli from a graded Arc-Miura with a parallelogram interface.

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