#http://xahlee.info/SpecialPlaneCurves_dir/EpiHypocycloid_dir/epiHypocycloid.html

vertices = 12000
t = from (0) to (40*PI)

a = rand2(-10, 10)
b = rand2(-10, 10)

x = (a + b)*cos[t] + b*cos[(a + b)/b*t]
y = (a + b)*sin[t] + b*sin[(a + b)/b*t]
