Rhombicuboctahedron
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The rhombicuboctahedron or small rhombicuboctahedron is a polyhedron with 26 faces, consisting of 8 equilateral triangles and 18 squares. It was named by Johannes Kepler in his 1618 Harmonices Mundi,
Národní knihovna, Minsk panoramio
Diamond cube
Pacioli
De divina proportione Vigintisex Basium Planum Vacuum
Archimedean solid
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The Archimedean solids are a set of thirteen convex polyhedra whose faces are regular polygons and are vertex-transitive, although they are not face-transitive and are generally not edge-transitive. T
Rhombicuboctahedron
…being short for truncated cuboctahedral rhombus, with cuboctahedral rhombus being his name for a rhombic dodecahedron. The rhombicuboctahedron is an Archimedean solid, and its dual is a Catalan solid, the deltoidal icositetrahedron. The elongated square gyrobicupola, the 37th Johnson solid, is a polyhedron that is…
The Archimedean solids. Two of them are chiral, with both forms shown, making 15 models in all.
Truncated icosahedron in De quinque corporibus regularibus
Cuboctahedron in Perspectiva Corporum Regularium