// Example Combined.bvr\n \n// Parametric surface\ncyl=parametricSurface\ncyl.setMinMax=s,-10,10\ncyl.setMinMax=t,-10,10\ncyl.setEquation=x,(t)\ncyl.setEquation=y,(s)\ncyl.setEquation=z,(2t-5s)\ncyl.setSegmentCount=20\ncyl.color=green\ncyl.spawn \n \n// Parametric surface\ncyl=parametricSurface\ncyl.setMinMax=s,-10,10\ncyl.setMinMax=t,-10,10\ncyl.setEquation=x,(s)\ncyl.setEquation=y,(t)\ncyl.setEquation=z,(s-t)\ncyl.setSegmentCount=20\ncyl.color=green\ncyl.spawn \n\n// Parametric curve\nhelix=parametricCurve\nhelix.setMinMax=t,-8,9\nhelix.setEquation=x,(t)\nhelix.setEquation=y,(t-2)\nhelix.setEquation=z,(2)\nhelix.setSegmentCount=70\nhelix.setThickness=0.5\nhelix.color=blue\nhelix.spawn