#http://www.mathcurve.com/courbes2d/larme/larme.shtml

vertices = D1:100 D2:100

u = from 0 to (PI) D1
v = from 0 to (2*PI) D2

n = rand2(1, 10)

m = 10*cos(u)
n = 10*sin(u)*pow(sin(u/2), n)

x = n*cos(v)
z = n*sin(v)
y = m