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Deltoidal icositetrahedron
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In geometry, the deltoidal icositetrahedron is a Catalan solid. Its 24 faces are congruent kites. The deltoidal icositetrahedron, whose dual is the (uniform) rhombicuboctahedron, is tightly related to the pseudo-deltoidal icositetrahedron, whose dual is the pseudorhombicuboctahedron; but the actual and pseudo-d.i. are not to be confused with each other.
Image: Deltoidalicositetrahedron
Image: Deltoidalicositetrahedron
Image: Eeuwig water, Weiwerd, crop
Image: Eeuwig water, Weiwerd, crop
Image: D24 deltoidal icositetrahedron
Image: D24 deltoidal icositetrahedron
Image: Perspectiva Corporum Regularium 36b
Image: Perspectiva Corporum Regularium 36b
Catalan solid
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In mathematics, a Catalan solid, or Archimedean dual, is a polyhedron that is dual to an Archimedean solid. There are 13 Catalan solids. They are named after the Belgian mathematician Eugène Catalan, who first described them in 1865.
Image: Triakistetrahedron
Image: Triakistetrahedron
Image: Triakisoctahedron
Image: Triakisoctahedron
Image: Disdyakisdodecahedron
Image: Disdyakisdodecahedron
Image: Triakisicosahedron
Image: Triakisicosahedron