Attribution-Share Alike 4.0 truetrue English See File:12_edges_of_handmade_octahedron_or_3_nested_squares.svg French Sur feuille quadrillée, trois pièces carrées...
of which the edges are those of a regular octahedron. French See File:12_edges_of_handmade_octahedron_or_3_nested_squares_FR.svg author name string:...
