Small Rhombicuboctahedron

 

 

The small rhombicuboctahedron has 26 faces is the Archimedean solid .It  contains eight triangles , and eighteen squares.

    Although this solid is sometimes also called the truncated icosidodecahedron, this name is inappropriate since true truncation would yield rectangular instead of square faces. It is uniform polyhedron   and Wenninger model .

       A small rhombicuboctahedron appears in the middle right as one of the polyhedral "stars" in M. C. Escher's 1948 wood engraving "Stars" (Forty 2003, Plate 43).

   A version of the small rhombicuboctahedron in which the top and bottom halves are rotated with respect to each other is known as the elongated square gyrobicupola

 

 

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Reference   http://www.mathworld.wolfram.com