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.
Heptagrammic antiprism vertfig. Heptagrammicantiprism vertex figure Transferred from org en transferred to Commons by User Sreejithk using de php CommonsHelper br Original text by Tomruen talk Tomruen Original upload log page en Heptagrammicantiprismvertfig Tomruen bytes no Polyhedra
Page 2023 Free-images.com. All images are Public Domain