The Klein bottle described by means of a Bidimensional Hilbert-like Curve -iteration 6- [La bouteille de Klein décrite à l'aide d'une courbe du type Hilbert bidimensionnelle -itération 6-].
See the Bidimensional Hilbert-like Curve -iteration 6-:
See the Klein bottle:
See some related pictures (possibly including this one):
See some related pictures (possibly including this one):