c = CurveCartesian((2 * cos(t)), (2 * sin(t)), t, 0, 6.283185307179586)
s = 1.1 (slider from 0 to 3, step 0.1)
daen = CurveCartesian((cosh(s) * sin(t)), (sinh(s) * cos(t)), t, 0, 6.283185307179586)