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:
Bitruncated cell verf. Bitruncatedcell vertex figure Own work by Tom Ruen Original text created this work entirely by myself br Transferred from org en transferred to Commons by User Sreejithk using de php CommonsHelper Original uploader was Tomruen at org en Tom Ruen talk Released into the public domain by the author