// pretty Surface and beautiful plane.bvr\n \n// Parametric surface\ncyl=parametricSurface\ncyl.setMinMax=s,0,3.3\ncyl.setMinMax=t,0,6.6\ncyl.setEquation=x,((4*cos(t-3))*sin(s))\ncyl.setEquation=y,((4*sin(t-3))*sin(s))\ncyl.setEquation=z,(4*cos(s))\ncyl.setSegmentCount=20\ncyl.color=blue\ncyl.spawn\n\n// Parametric curve\nhelix=parametricCurve\nhelix.setMinMax=t,-10,10\nhelix.setEquation=x,((cos(t))\nhelix.setEquation=y,((sin(t))\nhelix.setEquation=z,(t)\nhelix.setSegmentCount=70\nhelix.setThickness=0.2\nhelix.color=red \nhelix.spawn\n \n