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Nat writes –

“Margaret Wertheim of the Institute for Figuring has added a new flickr photoset of the latest addition to the IFF Crochet Coral Reef – the Urchin + Anemone Garden. Take a look at some of the amazing craftwork and artistry. Pictured here are crochet sea urchins.” [via] – Link.


  • Hyperbolic Ring – Link.
  • Crocheting the Lorenz Manifold – Link.
  • The Institute for Figuring – Link.
  • Daina Taimina’s Homepage – Link.
  • Knitknit.net – Link.
  • Toroidalsnark.net – Link.