// tiling pattern in the xz plane pigment{ tiling 16 // 1~24 Pattern_Number color_map{ [ 0.0 color rgb<1,1,1>*1] [ 0.5 color rgb<1,0.5,0>*1] [ 1.0 color rgb<1,1,1>*0] } // end color_map scale 0.5 // rotate<-90,0,0> // align to xy plane } // end pigment