Triakis tetrahedron

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Triakis tetrahedron
Image:Triakistetrahedron.jpg
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TypeCatalan
Face polygonisosceles triangle
Faces12
Edges18
Vertices8 = 4 + 4
Face configurationV3.6.6
Symmetry grouptetrahedral (Td)
Dual polyhedrontruncated tetrahedron
Propertiesconvex, face-uniform

A triakis tetrahedron is a catalan solid which looks a bit like an overinflated tetrahedron and it can be seen also as a tetrahedron with short trigonal pyramids added to the faces. It is the dual of the truncated tetrahedron.


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