//Torus.bvr\n\n// Parametric surface\ncyl=parametricSurface\ncyl.setMinMax=s,0,6.5\ncyl.setMinMax=t,0,6.5\ncyl.setEquation=x,((2+cos(s))*cos(t))\ncyl.setEquation=y,((2+cos(s))*sin(t))\ncyl.setEquation=z,(sin(s))\ncyl.setSegmentCount=30\ncyl.color=blue\ncyl.spawn\n\nc=parametricCurve\nc.setMinMax=t,-12,12\nc.setEquation=x,(3*cos(t))\nc.setEquation=y,(3*sin(t))\nc.setSegmentCount=70\nc.setThickness=0.15\nc.color=red\nc.spawn\n\np=parametricCurve\np.setMinMax=t,-12,12\np.setEquation=y,(2+sin(t))\np.setEquation=z,(cos(t))\np.setSegmentCount=70\np.setThickness=0.15\np.color=green\np.spawn