Wooden skewers and Loom Bands™ are great for construction! Here are a couple of negatively curved (saddle-shaped) surfaces - a hyperboloid from an awesome video: http://youtu.be/ECT8SPWzliE, and a hyperbolic paraboloid based on a suggestion of , to make a surface that can be 'popped' from one shape to another. Indeed it can, Paul, you were right.
Shared with: Public, Paul Fisher
+1'd by: Nilay Engineer, Torolf Sauermann, Colin McMillen, Roice Nelson, Steve Esterly, Aistis Raulinaitis, Christopher Hanusa, Matthew Plymale, Kevin C., Theron Hitchman, Paul Fisher, Michael Prescott
Reshared by: Colin McMillen
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