box { <-5,-5,5>,<5,5,5.1> 
   texture { pigment { hexagon color rgb 1, color rgb 0, color rgb 1 }
   finish { ambient .2 diffuse .8 reflection 0 specular 0 } scale .075 rotate 90*x } hollow }

camera { location <0,0,-1> direction z look_at 0 }
light_source { <0,0,-1> color rgb 1 }