Truncated tetrahedron
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In geometry, the truncated tetrahedron is an Archimedean solid. It has 4 regular hexagonal faces, 4 equilateral triangle faces, 12 vertices and 18 edges. It can be constructed by truncating all 4 vert
drawing in De divina proportione (1509)
drawing in Perspectiva Corporum Regularium (1568)
crystal model
4-sided die
Uniform polyhedron
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In geometry, a uniform polyhedron has regular polygons as faces and is vertex-transitive—there is an isometry mapping any vertex onto any other. It follows that all vertices are congruent. Uniform pol
Truncated tetrahedron
…Truncated tetrahedron Type Archimedean solid, Uniform polyhedron Faces 4 hexagons 4 triangles Edges 18 Vertices 12 Symmetry group tetrahedral symmetry T h Dual polyhedron triakis tetrahedron Vertex figure Net In…
Tetrahedron
Tetrakishexahedron
Disdyakisdodecahedron
Disdyakistriacontahedron