# Distorting Jessen's Orthogonal Icosahedron to an Octahedron

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Jessen's icosahedron is constructed by replacing six pairs of adjacent triangles in a regular icosahedron with pairs of isosceles triangles sharing a common base. There are six bases and they form three pairs of parallel edges.

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Contributed by: Izidor Hafner (January 2014)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Reference

[1] D. Wells, *The Penguin Dictionary of Curious and Interesting Geometry*, London: Penguin Books, 1991 p. 161.

## Permanent Citation

"Distorting Jessen's Orthogonal Icosahedron to an Octahedron"

http://demonstrations.wolfram.com/DistortingJessensOrthogonalIcosahedronToAnOctahedron/

Wolfram Demonstrations Project

Published: January 9 2014