#include "shapes_lo.inc"
//#macro Segment_of_CylinderRing ( R_out, R_in, Height, Segment_Angle)
object{  Segment_of_CylinderRing (  1.25, 1.00,   0.75, -270 )   
         texture { pigment{ color rgb< 1.0, 1.0, 1.0>*1.2 } 
                   //normal { bumps 0.5 scale 0.01 }
                   finish { phong 1}
                 } // --------------- end of texture 

         scale <1,1,1> rotate<0,0,0> translate<0,0,0>
      }//----------------------------------------------------------