//Mobius.bvr\n//Mobius\na=parametricSurface\na.setMinMax=s,-1,1\na.setMinMax=t,0,6.6\na.setEquation=x,(cos(t)*(3+s*cos(t/2)))\na.setEquation=y,(sin(t)*(3+s*sin(t/2)))\na.setEquation=z,(s*sin(t/2))\na.setSegmentCount=30\na.color=blue\na.spawn\n\n//curve\nb=parametricCurve\nb.setMinMax=t,0,20\nb.setEquation=x,(3*cos(t)+(1/5)*-3*cos(t)*(sin(t/2)/sqrt((9*sin(t/2)*sin(t/2))+((3*sin(t)*sin(t)*sin(t/2))+(3*cos(t)*cos(t)*cos(t/2)))^2)))\nb.setEquation=y,(3*sin(t)+(1/5)*-3*sin(t)*(sin(t/2)/sqrt((9*sin(t/2)*sin(t/2))+((3*sin(t)*sin(t)*sin(t/2))+(3*cos(t)*cos(t)*cos(t/2)))^2)))\nb.setEquation=z,((1/5)*(((3*sin(t)*sin(t)*sin(t/2))+(3*cos(t)*cos(t)*cos(t/2)))/sqrt((9*sin(t/2)*sin(t/2))+((3*sin(t)*sin(t)*sin(t/2))+(3*cos(t)*cos(t)*cos(t/2)))^2)))\nb.setSegmentCount=80\nb.setThickness=0.1\nb.color=red \nb.spawn