#http://www-gap.dcs.st-and.ac.uk/~history/Curves/Talbots.html

vertices = 2000

t = from 0 to (2*PI)

a = rand2(5, 20)
f = rand2(5, 20)
b = rand2(5, 20)

s = sin(t)
c = cos(t)

x = (a*a + f*f*s*s)*c/a
y = (a*a - 2*f*f + f*f*s*s)*s/b
