Equation of a "potato"

*To*: mathgroup at smc.vnet.net*Subject*: [mg24416] Equation of a "potato"*From*: "Kevin J. McCann" <Kevin.McCann at jhuapl.edu>*Date*: Tue, 18 Jul 2000 00:58:13 -0400 (EDT)*Organization*: Johns Hopkins University Applied Physics Lab, Laurel, MD, USA*Sender*: owner-wri-mathgroup at wolfram.com

I am doing some illustrations for class notes on vector calculus. I would be nice to have some drawings for a "random" 3d shape, i.e. something that is fairly rounded and regular like a potato, but not as simple as a sphere. Any ideas for the an equation that would draw something like this? Kevin