In geometry, the truncated tetrahedron (also known as perfect truncated tetrahedron or Archimedean truncated tetrahedron) is an Archimedean solid. It has 4 regular hexagonal faces, 4 regular triangular faces, 12 vertices and 18 edges.
Read more about Truncated Tetrahedron: Area and Volume, Densest Packing, Cartesian Coordinates, Orthogonal Projection, Related Polyhedra and Tilings, Use in Architecture