//MobiusGroup.bvr\n//Mobius Strip\nt=parametricSurface\nt.setMinMax=s,-0.5,0.5\nt.setMinMax=t,0,6.5\nt.setEquation=x,(cos(t)*(3+s*cos(t/2)))\nt.setEquation=y,(sin(t)*(3+s*sin(t/2)))\nt.setEquation=z,(s*sin(t/2))\nt.setSegmentCount=30\nt.color=blue\nt.spawn\n\n//Line around the mobius strip\nr=parametricCurve\nr.setMinMax=t,0,13\nr.setEquation=x,((cos(t)*(3+0*cos(t/2)))+(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)))\nr.setEquation=y,((sin(t)*(3+0*sin(t/2)))+(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)))\nr.setEquation=z,((1*0*sin(t/2))+(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)))\nr.setSegmentCount=100\nr.setThickness=0.07\nr.color=green\nr.spawn