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:
Birectified tesseractic honeycomb verf. Birectified tesseractichoneycomb vertex figure Tom Ruen talk created this work entirely by myself September UTC Tom Ruen talk Tomruen original upload log en Sreejithk CommonsHelper page en Birectifiedtesseractichoneycombverf Tomruen bytes no Tomruen bytes no Birectified tesseractichoneycomb