Here can you see my next (third) article for the Digital Production Magazine about Modelling a SpiroSnail in MoI:

https://onedrive.live.com/view.aspx?cid=1c86bcb357547a01&id=documents&resid=1C86BCB357547A01%21447&app=WordPdf&authkey=AKBjyqP3aqwhWCM&

http://christian-schweger.tumblr.com/image/144547249611