This page ( https://web.archive.org/web/20220817201355/http://origamist.de/impressum.php) gives some contact information:
Klaus-Dieter Ennen L�fflerweg 19 33689 Bielefeld Germany m...@origamist.de (The messed up character seems to likely be an ö) Unfortunately since it appears the issue with the website is that the domain has expired, that email address will no longer work either. Best, Nyle
