//Mobius strip.bvr\ncyl=parametricSurface\ncyl.setMinMax=s,-1,1\ncyl.setMinMax=t,0,7 \ncyl.setEquation=x,((3+s*cos(t/2))*cos(t))\ncyl.setEquation=y,((3+s*cos(t/2))*sin(t))\ncyl.setEquation=z,(s*sin(t/2))\ncyl.setSegmentCount=20\ncyl.color=blue\ncyl.spawn\n\nhelix=parametricCurve\nhelix.setMinMax=t,0,6.5 \nhelix.setEquation=x,((3+1/70*cos(t/2))*cos(t))\nhelix.setEquation=y,((3+1/70*cos(t/2))*sin(t))\nhelix.setEquation=z,(1/70*sin(t/2))\nhelix.setSegmentCount=70\nhelix.setThickness=0.2\nhelix.color=red\nhelix.spawn