global_settings { assumed_gamma 2.2 max_trace_level 5 }    #include "colors.inc"   #include "textures.inc"   #include "tmap2.inc"    #declare cuboct1 = union   {     sphere{ <0,1,1> 0.05}     sphere{ <0,1,-1> 0.05}     sphere{ <0,-1,1> 0.05}     sphere{ <0,-1,-1> 0.05}     sphere{ <1,0,1> 0.05}     sphere{ <1,0,-1> 0.05}     sphere{ <1,1,0> 0.05}     sphere{ <1,-1,0> 0.05}     sphere{ <-1,0,1> 0.05}     sphere{ <-1,0,-1> 0.05}     sphere{ <1,1,0> 0.05}     sphere{ <1,-1,0> 0.05}      }    #declare chex1 = union   {     cylinder{ <1,1,0>, <1,0,1>, 0.05}     cylinder{ <-1,-1,0>, <0,-1,1>, 0.05}     cylinder{ <-1,-1,0>, <-1,0,-1>, 0.05}     cylinder{ <1,1,0>, <0,1,-1>, 0.05}     cylinder{ <1,0,1>, <0,-1,1>, 0.05}     cylinder{ <-1,0,-1>, <0,1,-1>, 0.05}   }    #declare chex2 = union   {     cylinder{ <1,1,0>, <1,0,-1>, 0.05}     cylinder{ <-1,-1,0>, <0,-1,-1>, 0.05}     cylinder{ <-1,-1,0>, <-1,0,1>, 0.05}     cylinder{ <1,1,0>, <0,1,1>, 0.05}     cylinder{ <-1,0,1>, <0,1,1>, 0.05}     cylinder{ <1,0,-1>, <0,-1,-1>, 0.05}      }    #declare chex3 = union   {     cylinder{ <1,-1,0>, <1,0,1>, 0.05}     cylinder{ <1,-1,0>, <0,-1,-1>, 0.05}     cylinder{ <-1,1,0>, <-1,0,-1>, 0.05}     cylinder{ <-1,1,0>, <0,1,1>, 0.05}     cylinder{ <1,0,1>, <0,1,1>, 0.05}     cylinder{ <-1,0,-1>, <0,-1,-1>, 0.05}      }    #declare chex4 = union   {     cylinder{ <1,-1,0>, <1,0,-1>, 0.05}     cylinder{ <1,-1,0>, <0,-1,1>, 0.05}     cylinder{ <-1,1,0>, <-1,0,1>, 0.05}     cylinder{ <-1,1,0>, <0,1,-1>, 0.05}     cylinder{ <-1,0,1>, <0,-1,1>, 0.05}     cylinder{ <1,0,-1>, <0,1,-1>, 0.05}      }    camera   {     location <3*sin(2.35619),1.5,3*cos(2.35619)>     look_at  <0.0,0.0,0.0>   }      object   {     chex1     pigment { color rgbf <1.0,0.0,0.0,0.0> }     finish  {   //            phong 0.5   //            roughness 0.5               ambient 0.4               diffuse 0.5             }   }    object   {     chex2     pigment { color rgbf <1.0,1.0,0.0,0.0> }     finish  {   //            phong 0.5   //            roughness 0.5               ambient 0.4               diffuse 0.5            }   }    object   {     chex3     pigment { color rgbf <0.0,0.0,1.0,0.0> }     finish  {   //            phong 0.5   //            roughness 0.5              ambient 0.4              diffuse 0.5             }   }    object   {     chex4     pigment { color rgbf <0.0,1.0,0.0,0.0> }     finish  {   //            phong 0.5   //            roughness 0.5               ambient 0.4               diffuse 0.5             }   }    object   {     cuboct1     pigment { color rgbf <1.0,1.0,0.0,0.0> }     finish  {   //            phong 0.5   //            roughness 0.5               ambient 0.4               diffuse 0.5             }   }    light_source   {     <4.0,4.0,4.0>     color White   }    light_source   {     <4.0,-4.0,-4.0>     color White   }    light_source   {     <-4.0,4.0,-4.0>     color White   }    light_source   {     <-4.0,-4.0,4.0>     color White   }