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:
Pentagrammic crossedantiprism. en Maksim page en Pentagrammic crossantiprism Prisms geometry date username edit summary January en User Salix alba no Category Polyhedral image October en User Tomruen no Pentagrammic crossantiprism Original upload log Legend cur this is the current file del delete this old version