A Star Polygon of type {12/5}, an example of something that can be made with the Star Polygon extension for Inkscape, a part of pLAySVG (http://sourceforge.net/projects/play-svg ), an Open Source python library for the generation of geometric images. For a description of star polygons see: - http://mathworld.wolfram.com/StarPolygon.html -http://en.wikipedia.org/wiki/Star_polygon