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 simplex stereographic. uniform polychoron created by me Anton Sherwood using Fritz Obermeyer's math cmu edu Jenn Own Anton Sherwood at org en Tamfang Anton Sherwood Original upload log page en Truncatedsimplexstereographic Tamfang bytes no projection of uniform polychoron created by me Anton Sherwood using