# The Ellipsograph, a Mechanism for Constructing an Ellipse

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This Demonstration shows a top view of an ellipsograph, a mechanism for constructing the ellipse . The points and slide along the and axes. The distance between them is and the distance between and is .

Contributed by: Izidor Hafner (April 2013)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Reference

[1] D. Wells, *The Penguin Dictionary of Curious and Interesting Geometry*, New York: Penguin Books, 1991 p. 66.

## Permanent Citation

"The Ellipsograph, a Mechanism for Constructing an Ellipse"

http://demonstrations.wolfram.com/TheEllipsographAMechanismForConstructingAnEllipse/

Wolfram Demonstrations Project

Published: April 18 2013