icosahedron_angles ()

Angles between 2-fold, 3-fold and 5-fold symmetry axes of an icosahedron.

icosahedron_edge_length ()

Edge length of unit icosahedron.

icosahedral_matrix_table ()

icosahedron_geometry ( orientation='2n5' )

Return vertices and triangles for an icosahedron.

coordinate_system_transform ( from_cs,  to_cs )

icosahedral_symmetry_matrices ( orientation='222' )

1. icosahedral symmetry matrices.