.. status: ok 21.7 images8.input ------------------ .. spadVerbatim :: )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