Snub Tetrahedron

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This Demonstration shows a solid with symmetry type T, that is, tetrahedral symmetry without mirror planes.
Contributed by: Izidor Hafner (October 2014)
Open content licensed under CC BY-NC-SA
Snapshots
Details
These solids are called snub tetrahedra; all but the version with no twist have 20 faces.
Reference
[1] P. R. Cromwell, Polyhedra, Cambridge: Cambridge University Press, 1997 p. 312.
Permanent Citation
"Snub Tetrahedron"
http://demonstrations.wolfram.com/SnubTetrahedron/
Wolfram Demonstrations Project
Published: October 17 2014