Cross-cap
- 2019
- 5min
Ajouter une intrigue dans votre langueThe self-intersection of a one-sided surface.The self-intersection of a one-sided surface.The self-intersection of a one-sided surface.
Ajouter une intrigue dans votre langueThe self-intersection of a one-sided surface.The self-intersection of a one-sided surface.The self-intersection of a one-sided surface.