Amazing Crochet Coral Reef by Margaret and Christine Wertheim.
Hyperbolic crochet kelp garden by the Institute For Figuring at the Los Angeles County Fair. Sept 2006. The installation is part of the Fair Exchange show at the worlds biggest celebration of prize-winning animals andhome-baked wonders. A book with Instructions for making these models is available at the IFF website: http://theiff.org/publications/index.html