Small ditrigonal dodecacronic hexecontahedron
Introduction 3D model of a small ditrigonal dodecacronic hexecontahedronIn geometry, the '''small ditrigonal dodecacronic hexecontahedron''' (or '''fat star''') is a nonconvex isohedral polyhedron. It is the dual of the uniform small ditrigonal dodecicosidodecahedron. It is visually identical to the small dodecicosacron. Its faces are darts. A part of each dart lies inside the solid, hence is invisible in solid models.
Proportions Faces have two angles of , one of  and one of . Its dihedral angles equal . The ratio between the lengths of the long and short edges is .
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