//CircleandCircles.bvr\n//Circle\nc=parametricCurve\nc.setMinMax=t,-6.6,6.6\nc.setEquation=x,(3*sin(t))\nc.setEquation=y,(3*cos(t))\nc.setEquation=z,(-cos(t))\nc.setSegmentCount=70\nc.setThickness=0.2\nc.color=blue\nc.spawn \n\n//Circle\nc=parametricCurve\nc.setMinMax=t,-6.6,6.6\nc.setEquation=x,(3*sin(t)*cos(t))\nc.setEquation=y,(3*cos(t))\nc.setEquation=z,(-cos(t))\nc.setSegmentCount=70\nc.setThickness=0.2\nc.color=blue\nc.spawn \n\n//Circle\nc=parametricCurve\nc.setMinMax=t,-6.6,6.6\nc.setEquation=x,(4*sin(t))\nc.setEquation=y,(4*cos(t))\nc.setEquation=z,(-cos(t))\nc.setSegmentCount=70\nc.setThickness=0.2\nc.color=blue\nc.spawn \n\n//Circle\nc=parametricCurve\nc.setMinMax=t,-6.6,6.6\nc.setEquation=x,(5*sin(t))\nc.setEquation=y,(5*cos(t))\nc.setEquation=z,(-cos(t))\nc.setSegmentCount=70\nc.setThickness=0.2\nc.color=blue\nc.spawn \n\n//Circle\nc=parametricCurve\nc.setMinMax=t,-6.6,6.6\nc.setEquation=x,(5*sin(t))\nc.setEquation=y,(5*cos(t))\nc.setEquation=z,(-cos(t))\nc.setSegmentCount=70\nc.setThickness=0.2\nc.color=blue\nc.spawn