//yansiduo hu.bvr\none=parametricSurface\none.setMinMax=s,0,10\none.setMinMax=t,0,10\none.setEquation=x,((3+2*cos(t))*cos(s))\none.setEquation=y,((3+2*cos(t))*sin(s))\none.setEquation=z,(2*sin(t))\none.setSegmentCount=70\none.color=blue\none.spawn\n\n\n \n// Parametric curve\ntwo=parametricCurve\ntwo.setMinMax=t,0,10\ntwo.setEquation=x,(5*cos(t)) \ntwo.setEquation=y,(5*sin(t))\ntwo.setEquation=z,(0)\ntwo.setSegmentCount=70\ntwo.setThickness=0.2\ntwo.color=red\ntwo.spawn \n \n \n// Parametric curve\nthree=parametricCurve\nthree.setMinMax=t,0,10\nthree.setEquation=x,(3+2*sin(t)) \nthree.setEquation=y,(0)\nthree.setEquation=z,(2*cos(t))\nthree.setSegmentCount=70\nthree.setThickness=0.2\nthree.color=green\nthree.spawn