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:
cube.svg cube dekeract graph Transferred from org en transferred to Commons by User IngerAlHaosului using de php CommonsHelper br Original text Tom Ruen talk created this work entirely by myself February UTC br original upload date Tom Ruen talk Original uploader was Tomruen at org en Released into the public domain