Triakis tetrahedron - Definition

Triakis tetrahedron
Click on picture for large version. Click here for spinning version.
Type	Catalan
Face polygon	isosceles triangle
Faces	12
Edges	18
Vertices	8 = 4 + 4
Face configuration	3,6,6
Symmetry group	tetrahedral (Td)
Dual polyhedron	truncated tetrahedron
Properties	convex, face-uniform, don't know what else

A triakis tetrahedron is a catalan solid which looks a bit like an overinflated tetrahedron.