Very cool variations on the same theme. Surprised how deep the author went on this subject. If you want to play around with this kind of recursive shapes, I wo

Very cool variations on the same theme. Surprised how deep the author went on this subject. If you want to play around with this kind of recursive shapes, I would suggest to try out http://GeoKone.NET http://GeoKone.NET, it's an application I've developed that let's you create this kind of formations interactively in your browser. Well, at least the kind of formations on the first half of the page or so.