In geometry, a tetrakis hexahedron is a Catalan solid. Its dual is the truncated octahedron, an Archimedean solid.
D24 tetrakis hexahedron
Modell, Kristallform Pyramidenwürfel bzw Tetrakishexaeder Krantz 412
Modell, Kristallform Hexakistetraeders Krantz , crop
Perspectiva Corporum Regularium 15d
In geometry, the deltoidal icositetrahedron is a Catalan solid.
Eeuwig water, Weiwerd, crop
D24 deltoidal icositetrahedron
Perspectiva Corporum Regularium 36b
Perspectiva Corporum Regularium 34b