\n//Mobius Strip.bvr\n\ng=parametricSurface\ng.setMinMax= s,-1,1\ng.setMinMax= t,0,6.5\ng.setEquation=x,((3+s*cos(t/2))*cos(t))\ng.setEquation=y,((3+s*cos(t/2))*sin(t))\ng.setEquation=z, (s*sin(t/2))\ng.setSegmentCount=20\ng.color=yellow\ng.spawn\n\nc=parametricCurve\nc.setMinMax=t,0,13\nc.setEquation=x,((3*cos(t))+(1/5)*cos(t)*sin(t/2))\nc.setEquation=y, ((3*sin(t))+(1/5)*sin(t)*sin(t/2))\nc.setEquation=z, (-(1/5)*cos(t/2))\nc.setSegmentCount=50\nc.setThickness=0.15\nc.color=blue\nc.spawn