POV Ray 3.7 code
//=======================================================
// 3D Heart shape generation  by cellular automata
// in ordinary triangles POV-Ray 3.7
//=======================================================
s
#include "heartPoints"

#version 3.7

  global_settings {assumed_gamma 1.0}

camera {
 location <0,  0,  -10.0>
  direction <0.0, 0.0,  1.0>
    up  <0.0,  1.0,  0.0>
    right <1.33333, 0.0, 0.0>
    look_at <0, -1, 0>
  }

 light_source {
	< 7, 0, -40>
	rgb <1.000000, 1.000000, 1.000000> * 1.0
	fade_distance 3
	fade_power 0.3
 }


 light_source{ <0,0,0>
              color rgb<1,1,1>
              area_light
              <5, 0, 0> <0, 0, 5>
              6,6 // numbers in directions
              adaptive 1  // 0,1,2,3...
              jitter // random softening
                       }//---- end of area_light

#declare st = 1;
#declare n = 20;

#declare N = 1647;
#declare Rnd_1 = seed (1153);
 #declare Rnd_2 = seed (553);
#declare Rnd_3 = seed (876);

 #declare ii = 0;
 #declare pp = 0;
 #declare qq = 0;

//  replace N by  N*clock for animation
union{#for(j,0,int(N/6),1)   //  steps N/6  N/2 24*N  256*N 512*N  630*N
#declare i = ii + st*pow(-1,int(N*rand(Rnd_1)));

#for(k,0,n,1)
#declare p = pp + st*pow(-1,int(n*rand(Rnd_2)));
#declare q = qq + st*pow(-1,int(n*rand(Rnd_3)));

#if (i > 0)
#if(i < N)
  #if (p > 0)
  #if (p < n)
      #if (q > 0)
   	#if(q <= p)

#declare pp = p;
#declare qq = q;
#declare ii = i;

#declare X = a[i][3] - (a[i][3] - a[i][0])*p/n + (a[i][6] - a[i][0])*q/n;
#declare Y = a[i][4] - (a[i][4] - a[i][1])*p/n + (a[i][7] - a[i][1])*q/n;
#declare Z = a[i][5] - (a[i][5] - a[i][2])*p/n + (a[i][8] - a[i][2])*q/n;

 sphere { < X, Y, Z >, 0.05
   texture{
   pigment{color < 1.0, 0.3, 0.2 > }
   finish { ambient rgb <0.3,0.1,0.1>
     diffuse 0.3
     reflection 0.0
     specular 0.0}}
 rotate <-90, 180, 0>
rotate 0*clock*360
 translate <0, -3, 0>}
  #end // end if
  #end // end if
  #end // end if
  #end // end if
  #end // end if
  #end // end if
 // #end // end if
#end // k
#end} // j