Ribbons

RIBBONS
mrblo

These show flat versions of a surface G. J. Siegle studied. Different values of two constants, c, k, generate the different ribbons: each ribbon comprises those points of a Cartesian plane whose coordinates equal <cos(cu)(cos(v) + u), sin(ku)(cos(v) + u)> for some ordered pair of angles, <u, v>.

ribbon01

ribbon02

ribbon03

ribbon04

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