# Folding Cowley's Dodecarhombus Net

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This Demonstration shows the folding of Cowley's net into a nonconvex solid with polygonal faces. (The viewpoint zooms in as the figure closes.)

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Contributed by: Izidor Hafner (January 2019)

Open content licensed under CC BY-NC-SA

## Details

References

[1] "Rombski poliedri." (Jan 7, 2019) www.logika.si/revija/Stare-revije/revija15-5.pdf.

[2] J. L. Cowley, *Geometry Made Easy: A New and Methodical Explanation of the Elemnets [sic] of Geometry*, London: Mechell, 1752.

[3] B. Grünbaum. "The Bilinski Dodecahedron, and Assorted Parallelohedra, Aonohedra, Monohedra, Isozonohedra and Otherhedra." (Jan 7, 2019) digital.lib.washington.edu/researchworks/bitstream/handle/1773/15593/Bilinski_dodecahedron.pdf.

[4] P. R. Cromwell, *Polyhedra*, New York: Cambridge University Press, 1997.

[5] M. Friedman, *A History of Folding in Mathematics: Mathematizing the Margins*, New York, NY: Springer Berlin Heidelberg, 2018.

[6] Wikipedia. "Bilinski Dodecahedron." (Jan 7, 2019) en.wikipedia.org/wiki/Bilinski_dodecahedron.

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