//IndividualPortion.bvr\n\n// Parametric surface1\npOne=parametricSurface\npOne.setMinMax=s,-1,1\npOne.setMinMax=t,-1,1\npOne.setEquation=x,(-t)\npOne.setEquation=y,(-s)\npOne.setEquation=z,(1-t-s)\npOne.setSegmentCount=20\npOne.color=green\npOne.spawn\n \n// Parametric surface2\npTwo=parametricSurface\npTwo.setMinMax=s,-1,1\npTwo.setMinMax=t,-1,1\npTwo.setEquation=x,(t+s)\npTwo.setEquation=y,(-t)\npTwo.setEquation=z,(1-t-s)\npTwo.setSegmentCount=20\npTwo.color=blue\npTwo.spawn\n\n// Parametric curveIntersection\ninter=parametricCurve\ninter.setMinMax=t,-1,1 \ninter.setEquation=x,(.5*t)\ninter.setEquation=y,(-t)\ninter.setEquation=z,(1-.5*t)\ninter.setSegmentCount=70\ninter.setThickness=0.2\ninter.color=red\ninter.spawn