Objects Daina Taimina showed in her talk!
(I can only describe these as presto-change-o!)
Click on an image to get a higher-resolution version of a photo.
an ordinary hyperbolic octagon...
...magically becomes a pair of hyperbolic pants!!
what begins life as a set of hyperbolic right hexagons...
...becomes a design for playground equipment.
(it's like a hyperbolic
held one way by Daina, it's a helicoid...
and held another way by David and Daina, it's a catenoid. It's
easy to see this transformation when looking at the crocheted model---but
really a pain to calculate it in differential geometry!