Free Fractal prog ! Only PC! You can input STL file ;)
So Moi Objects !
http://www.incendia.net/ By Ramiro Perez
http://ww.incendia.net/wiki/index.php/Main_Page : Wiki
http://www.incendia.net/help/video/index.html :Video
http://www.rfractals.net Gallery of Ramiro Perez

Image By Ramiro Perez