//ChangeFileNameHere.bvr\n\n//Parametric surface\nt=parametricSurface\nt.setMinMax=s,0,6.5\nt.setMinMax=t,0,1\nt.setEquation=x,(cos(s)+(6-4*cos(s))/(17-4*cos(s))*(2-cos(s))*t)\nt.setEquation=y,(sin(s)*(1-(6-4*cos(s))/(17-4*cos(s))*t))\nt.setEquation=z,(3*(6-4*cos(s))/(17-4*cos(s))*t)\nt.setSegmentCount=30 \nt.spawn