#declare CENT = <0,0,0>
#declare NUM_RINGS = 8
#declare STRING_RAD = 0.05
#declare STRING_TEN = 1
#declare P0 = <0,1,0>
#declare D0 = (P0 - CENT ) / NUM_RINGS
#declare P1 = <.5,.5,0>
#declare D1 = (P1 - CENT ) / NUM_RINGS
#declare P2 = <1,0,0>
#declare D2 = (P2 - CENT ) / NUM_RINGS
#declare P3 = <.5,-.5,0>
#declare D3 = (P3 - CENT ) / NUM_RINGS
#declare P4 = <0,-1,0>
#declare D4 = (P4 - CENT ) / NUM_RINGS
#declare P5 = <-.5,-.5,0>
#declare D5 = (P5 - CENT ) / NUM_RINGS
#declare P6 = <-1,0,0>
#declare D6 = (P6 - CENT ) / NUM_RINGS
#declare P7 = <-.5,.5,0>
#declare D7 = (P7 - CENT ) / NUM_RINGS
// #declare web =
union {
   blob {
      threshold .65
      cylinder { CENT P0 STRING_RAD STRING_TEN }
      cylinder { CENT P1 STRING_RAD STRING_TEN }
      cylinder { CENT P2 STRING_RAD STRING_TEN }
      cylinder { CENT P3 STRING_RAD STRING_TEN }
      cylinder { CENT P4 STRING_RAD STRING_TEN }
      cylinder { CENT P5 STRING_RAD STRING_TEN }
      cylinder { CENT P6 STRING_RAD STRING_TEN }
      cylinder { CENT P7 STRING_RAD STRING_TEN }
   }
   #declare Z = 1
   #while ( Z < NUM_RINGS )
      #declare V0=<CENT.x+D0.x*Z, CENT.y+D0.y*Z, CENT.z+D0.z*Z>
      #declare V1=<CENT.x+D1.x*Z, CENT.y+D1.y*Z, CENT.z+D1.z*Z>
      #declare V2=<CENT.x+D2.x*Z, CENT.y+D2.y*Z, CENT.z+D2.z*Z>
      #declare V3=<CENT.x+D3.x*Z, CENT.y+D3.y*Z, CENT.z+D3.z*Z>
      #declare V4=<CENT.x+D4.x*Z, CENT.y+D4.y*Z, CENT.z+D4.z*Z>
      #declare V5=<CENT.x+D5.x*Z, CENT.y+D5.y*Z, CENT.z+D5.z*Z>
      #declare V6=<CENT.x+D6.x*Z, CENT.y+D6.y*Z, CENT.z+D6.z*Z>
      #declare V7=<CENT.x+D7.x*Z, CENT.y+D7.y*Z, CENT.z+D7.z*Z>
      blob {
         threshold 0.65
         cylinder { V0 V1 STRING_RAD, STRING_TEN }
         cylinder { V1 V2 STRING_RAD, STRING_TEN }
         cylinder { V2 V3 STRING_RAD, STRING_TEN }
         cylinder { V3 V4 STRING_RAD, STRING_TEN }
         cylinder { V4 V5 STRING_RAD, STRING_TEN }
         cylinder { V5 V6 STRING_RAD, STRING_TEN }
         cylinder { V6 V7 STRING_RAD, STRING_TEN }
         cylinder { V7 V0 STRING_RAD, STRING_TEN }
      }
      #declare Z=Z+1
   #end // while
   pigment { White }
   finish { Shiny }
}