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:
Pqduoprism verf. en October duoprism vertex figure September UTC Tom Ruen talk created this work entirely by myself Tom Ruen talk Tomruen Original upload log page en Pqduoprismverf Tomruen bytes no pq duoprism vertex figure created this work entirely by myself Tomruen bytes no color Tomruen bytes no as