// intersecting planes.bvr\n// Parametric surface\nplane1=parametricSurface\nplane1.setMinMax=s,-5,5\nplane1.setMinMax=t,-5,5\nplane1.setEquation=x,(s)\nplane1.setEquation=y,(t)\nplane1.setEquation=z,(1-s-t)\nplane1.setSegmentCount=20\nplane1.color=blue\nplane1.spawn \n// Parametric surface\nplane2=parametricSurface\nplane2.setMinMax=s,-5,5\nplane2.setMinMax=t,-5,5\nplane2.setEquation=x,(s)\nplane2.setEquation=y,(t)\nplane2.setEquation=z,(1-s)\nplane2.setSegmentCount=20\nplane2.color=red\nplane2.spawn \n \n// Parametric curve\nhelix=parametricCurve\nhelix.setMinMax=t,-6,3 \nhelix.setEquation=x,(1+t)\nhelix.setEquation=y,(0)\nhelix.setEquation=z,(-t)\nhelix.setSegmentCount=70\nhelix.setThickness=0.2 \nhelix.color=green\nhelix.spawn