I first saw Ralf’s Origami Page a while back, and I really liked his hexagonal tessellation work- but I’ve only really discovered the breadth of it lately. Here are a few links showing off his great artwork.

http://ditelo.itc.it/people/gretter/brannenburg05/modelli_s/IMG_3256.html

http://ditelo.itc.it/people/gretter/brannenburg05/modelli_s/IMG_3254.html

and, of course, this one- the most interesting I have seen yet.

http://ditelo.itc.it/people/gretter/tassellazioni/konrad.html

do those look familiar? and this is from 2003! looks like we all got scooped here by Ralf. Although I would suspect we’re all just refolding designs by Fujimoto, anyway…