Snub disphenoid

In geometry, the snub disphenoid, Siamese dodecahedron, or dodecadeltahedron is a three-dimensional convex polyhedron with twelve equilateral triangles as its faces. It is not a regular polyhedron because some vertices have four faces and others have five. It is a dodecahedron, one of the eight deltahedra (convex polyhedra with equilateral triangle faces) and one of the 92 Johnson solids (irregular convex polyhedra with regular faces).

单词	Trigonal dodecahedron
释义	Trigonal dodecahedron 英语百科 Snub disphenoid In geometry, the snub disphenoid, Siamese dodecahedron, or dodecadeltahedron is a three-dimensional convex polyhedron with twelve equilateral triangles as its faces. It is not a regular polyhedron because some vertices have four faces and others have five. It is a dodecahedron, one of the eight deltahedra (convex polyhedra with equilateral triangle faces) and one of the 92 Johnson solids (irregular convex polyhedra with regular faces).
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Trigonal dodecahedron

Snub disphenoid