1)
X = u*sin(u)*cos(10*u)Y = uZ = 30 <= u <= 4*pirotacija oko y ose2)
X = sin(u)Y = cos(u)
Z = 1
0 <= u <= 2*pi
X = v+sin(v)*sin(v)Y= v+sin(v)*cos(v)Z = v*20 <= u <= 6*pi