Wikipedia:Featured picture candidates/Hypotrochoid

Original (click to view)

Reason
The picture shows an excellent example of how a hypotrochoid is constructed, and it significantly adds to its article.
Proposed caption
The construction of a hypotrochoid. As the smaller orange circle rolls around the inside of the larger green circle, the point attached by the blue line traces out a curve known as a hypotrochoid.
Articles this image appears in
Hypotrochoid
Creator
ipi31415

Not promoted MER-C 04:02, 22 November 2007 (UTC)[reply]