Intro to Sliceforms (Hyperbolic Paraboloids)

Sliceforms are a fun sneaky way to get kids to start thinking along the lines of calculus. I have my freshmen work on this and roughly calculate the volume by making some measurements with a ruler. Resources: http://papercraftetc.blogspot.co.uk/2013/07/the-coolest-sliceform-hyperbolic.html http://www.cutoutfoldup.com/972-hyperbolic-paraboloid-from-parabolic-cross-sections.php