Best tools to teach animations of solids of revolution in a Calculus II class?

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I would like to show animations of solids of revolutions particularly to those students who are not visualizers. Is there a tool that I (and preferably my students also) can use to create animations? It would be great to know what you use in classroom and how successful it has been.

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2 Answers

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Free software GeoGebra from will let you do this. Here is an example and a video showing the construction of a solid of revolution . Your construction can easily be exported as html and embedded in a website too.

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CalcPlot3D has the ability to plot a surface of revolution, and it lets you animate the revolution, as well as display washers/shells for visualizing volumes.

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