Drawing a Spiral on the Surface of an Egg

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This Demonstration lets you draw a spiral on a surface of an egg. You can change the shape of the egg by manipulating the "eccentricity" parameter. You can also change the starting point of the spiral by manipulating the "offset angle of the axis".
Contributed by: Masa Takatsuka (September 2011)
Open content licensed under CC BY-NC-SA
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"Drawing a Spiral on the Surface of an Egg"
http://demonstrations.wolfram.com/DrawingASpiralOnTheSurfaceOfAnEgg/
Wolfram Demonstrations Project
Published: September 6 2011