Dynamic Geometry: Euclidean Egg
The interactive figure above, created with GeoGebra,
shows an step-by-step compass construction of an egg shapes, called
"Euclidean egg" by Robert Dixon in his book Mathographics, Basic Blackwell Limited, Oxford, England, 1987.
To make the step-by-step construction tap or click the steps check box.
GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, tables, graphing, statistics and calculus
application, intended for teachers and students. Many parts of GeoGebra have
been ported to HTML5. It has received several educational software awards in Europe and the USA.