// mobiusStrip.bvr\n \n// mobiusStrip Surface \nmobius=parametricSurface\nmobius.setMinMax=s,-1,1\nmobius.setMinMax=t,0,6.6 \nmobius.setEquation=x,((3+s*cos(t/2))*cos(t))\nmobius.setEquation=y,((3+s*cos(t/2))*sin(t))\nmobius.setEquation=z,(s*sin(t/2))\nmobius.setSegmentCount=30\nmobius.color=blue\nmobius.spawn \n\n// lineOnMobiusStrip\npath=parametricCurve\npath.setMinMax=t,0,6.6\npath.setEquation=x,(.2*cos(t)-3*cos(2*t))\npath.setEquation=y,(.2*sin(t)-3*sin(2*t)) \npath.setEquation=z,(.2*sin(t+3.3))\npath.setSegmentCount=70\npath.setThickness=0.2\npath.color=red\npath.spawn