void setup() {

  size(1000,600);

  rectMode(CENTER);

}

void draw() {



  pushMatrix();

    translate( 200, 200 );
    crearPatron();

    translate( 300, 0 );
    crearPatron();

    translate( 300, 0 );

    crearPatron();


  popMatrix();



}


void crearPatron() {

  pushMatrix();

   rect(0,0,100,100);

   translate( 0, -100 );
   rect(0,0,40,40);

   translate( 100, 100 );
   rect(0,0,40,40);

   translate( -100, 100 );
   rect(0,0,40,40);


   translate( -100, -100 );
   rect(0,0,40,40);

  popMatrix();}