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.
Truncated Octahedron with Construction.svg diagram showing how an en octahedron is made into truncated octahedron blue by removing square pyramids from each face red Own Inductiveload Truncated octahedron
Page 2023 Free-images.com. All images are Public Domain