double delta = 0.1;
    for(int cnt = 0; cnt < 5; cnt++){
      g2.draw(new Rectangle2D.Double(
         (1.5+cnt*delta)*ds, (1.5+cnt*delta)*ds, 
         (1.0-cnt*2*delta)*ds, (1.0-cnt*2*delta)*ds));
    }//end for loop






Figure 8