// http://xahlee.org/3d/index.html #include "colors.inc" // 3 orthogonal cylinders intersection { cylinder { <3,0,0>,<-3,0,0>, 0.5 pigment { color Red }} cylinder { <0,0,3>,<0,0,-3>, 0.5 pigment { color Blue }} cylinder { <0,3,0>,<0,-3,0>, 0.5 pigment { color White }} } camera { location <2,3,-2> look_at 0 } light_source { <10, 10, 10> White } plane { y, -1.5 pigment { checker Green White } }