Instructions (words and chart) are available at http://www.irishlace.net/crochet/benzenesnowflake.html

(And wow, it's been a while since I posted. I've been knitting and crocheting, but... I just haven't been posting about it. Come to think of it, most of the stuff I've been doing has been self-designed, and I haven't written up patterns yet. I think I've found my New Year's resolution!)