X=sin(u)*2-cos(2*u)*3
Y=u*cos(u)
X=sin(u)*u*2
Y=u
Z=5*cos(u)
0<=u<=2*pi
translira po krivoj:
X=sin(v)*cos(v*2)
Y=v*3
Z=v*cos(v)
2*pi<=u<=8*pi