// Helen Xu.bvr\n \n// Parametric curve\nhelix=parametricCurve\nhelix.setMinMax=t,-10,10\nhelix.setEquation=x,(cos(t))\nhelix.setEquation=y,(sin(t))\nhelix.setEquation=z,(.3*t)\nhelix.setSegmentCount=70\nhelix.setThickness=0.2\nhelix.color=red\nhelix.spawn\n \n// Parametric plane \ntwo=parametricPlane \ntwo.setMinMax=s,-10,10\ntwo.setMinMax=t,0,6.6\ntwo.setEquation=x,(cos(t))\ntwo.setEquation=y,(sin(t))\ntwo.setEquation=z,(.3*s)\ntwo.setSegmentCount=20\ntwo.color=blue\ntwo.spawn