//MobiusStrip.bvr\n\n//Parametric surface\nm=parametricSurface\nm.setMinMax=s,-1,1\nm.setMinMax=t,0,6.6\nm.setEquation=x,((3+s*cos(t/2))*cos(t))\nm.setEquation=y,((3+s*cos(t/2))*sin(t))\nm.setEquation=z,(s*sin(t/2))\nm.setSegmentCount=30\nm.color = red\nm.spawn\n\n//Parametric curve\nc=parametricCurve\nt.setMinMax=s,-1,1\nc.setMinMax=t,0,13.5\nc.setEquation=x,(3*cos(t)+.2*(3*cos(t/2)*cos(t)))\nc.setEquation=y,(3*sin(t)+.2*(3*cos(t/2)*sin(t)))\nc.setEquation=z,0\nc.setSegmentCount=80\nc.setThickness=0.20\nc.color=blue\nc.spawn\n\n