==== (2 2 2) dihedral symmetry ====There are 8 fundamental triangles, visible in the faces of the square bipyramid (Octahedron) and alternately colored triangles on a sphere:==== (3 2 2) D3h dihedral symmetry ====There are 12 fundamental triangles, visible in the faces of the hexagonal bipyramid and alternately colored triangles on a sphere:==== (4 2 2) D4h dihedral symmetry ====There are 16 fundamental triangles, visible in the faces of the octagonal bipyramid and alternately colored triangles on a sphere:==== (5 2 2) D5h dihedral symmetry ====There are 20 fundamental triangles, visible in the faces of the decagonal bipyramid and alternately colored triangles on a sphere:==== (6 2 2) D6h dihedral symmetry ====There are 24 fundamental triangles, visible in the faces of the dodecagonal bipyramid and alternately colored triangles on a sphere.
Spodaj je prvih pet diederskih simetrij: D2 ... D6.