/* Default camera, single light at origin */
light_source { 0 rgb 1 }

/* Peter de Jong style attractor */
#declare x1=0;
#declare y1=0;
#declare i=2000000;
#while(i>0)
   #declare x2=cos(1.4*x1)-sin(1.4*y1);
   #declare y2=sin(1.6*x1)+.7*cos(1.6*y1);
   sphere{ <x2,y2,3.2>, 0.001
   pigment { rgb 1 } }
   #declare x1 = x2;
   #declare y1 = y2;
   #declare i = i - 1;
#end