//TorusAndCircles.bvr\n\n//Parametric surface\nt=parametricSurface\nt.setMinMax=s,0,6.5\nt.setMinMax=t,0,6.5\nt.setEquation=x,((3+cos(s))*cos(t))\nt.setEquation=y,((3+cos(s))*sin(t))\nt.setEquation=z,(sin(s))\nt.setSegmentCount=30\nt.color=red\nt.spawn\n\n//Parametric curve\nc=parametricCurve\nc.setMinMax=t,0,25.5\nc.setEquation=x,(4*cos(t/4))\nc.setEquation=y,(4*sin(t/4))\nc.setEquation=z,(0)\nc.setSegmentCount=70\nc.setThickness=.2\nc.color=green\nc.spawn\n\n//Parametric curve\nf=parametricCurve\nf.setMinMax=t,0,6.5\nf.setEquation=x,(0)\nf.setEquation=y,(cos(t)+3)\nf.setEquation=z,(sin(t))\nf.setSegmentCount=70\nf.setThickness=.2\nf.color=blue\nf.spawn