to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
A cube with a vertical diagonal, and all its edges on the surface of a Platonic dodecahedron, has a rectangular outline on the 1st view. Obvious rotational symmetry of the top view. Some unreduced lengths are indicated, and equalities inscribed.
Un cube avec une diagonale verticale, et toutes ses arêtes à la surface d’un dodécaèdre de Platon, a un contour rectangulaire dans la 1ère vue. Symétrie de rotation manifeste dans la vue de dessus. Quelques longueurs non rétrécies sont indiquées.