Final stellation of the icosahedron
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| Seventeenth stellation of icosahedron | |
|---|---|
 Click on picture for large version. |
|
| Wenninger Model | W42 |
| Stellation core | icosahedron |
| Symmetry group | icosahedral (Ih) |
The echidnahedron is polyhedron created as a stellation of the icosahedron.
It is referenced as the 17th (and final) stellation (and model W42) by Wenninger and the 4th of 59 stellations as given by Coxeter.
The stellation facets for construction are:
