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:
Truncated demicube. en October polytope graph January UTC Tom Ruen talk created this work entirely by myself br from org en Tom Ruen talk en Tomruen Original upload log page en Truncateddemicube Tomruen bytes no polytope graph created this work entirely by myself Set of colored Coxeter plane graphs many vertices