21.7 images8.input

)read dhtri
)read tetra
drawPyramid 4                                              Sierpinsky’s Tetrahedron
Sierpinsky’s Tetrahedron )read antoine
drawRings 2                                                Antoine’s Necklace
Aintoine’s Necklace )read scherk
drawScherk(3,3)                                            Scherk’s Minimal Surface
)read ribbonsNew drawRibbons([x^i for i in 1..5], x=-1..1, y=0..2)         Ribbon Plot

Scherk’s minimal surface