This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Kepler solids Petrie polygons. en October Keplersolid Petrie polygons Tom Ruen talk created this work entirely by myself br from org en Tom Ruen talk en Tomruen Original upload log page en KeplersolidsPetriepolygons Tomruen bytes no Keplersolid Petrie polygons created this work entirely by myself KeplerPoinsot