size(500,500, P3D); //setup the screen
camera(-15,15,-15,0,0,0,0,0,1); //get a viewpoint
background(255);
for(int i=0; i<360; i+=10)
  for(int j=0; j<360; j+=10){
    float x = 10 * sin(radians(i)) * cos(radians(j));
    float y = 10 * sin(radians(i)) * sin(radians(j));
    float z = 10 * cos(radians(i));
    float xn = 10 * sin(radians(i+10)) * cos(radians(j));
    float yn = 10 * sin(radians(i+10)) * sin(radians(j));
    float zn = 10 * cos(radians(i+10));
    float xu = 10 * sin(radians(i)) * cos(radians(j+10));
    float yu = 10 * sin(radians(i)) * sin(radians(j+10));
    float zu = 10 * cos(radians(i));
    line(x,y,z, xn,yn,zn);
    line(x,y,z, xu,yu,zu);
  }