> Is there any chance you would take the whole lattice and renormalize it > repeatedly this way? I have used a 5-block shape like a cross. http://fantius.com/0.bmp (the initial image) http://fantius.com/1.bmp http://fantius.com/2.bmp http://fantius.com/3.bmp http://fantius.com/4.bmp http://fantius.com/5.bmp http://fantius.com/6.bmp