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:
Duererpolyhedron. Famous engraving knwon as Melancholia Melencolia Artist Albrecht Drer Source math umd edu MelencoliaI UTC MelencoliaI thats where it came from math umd edu derivative work Ausschnitt Polyeder MelencoliaI PDold Famous engraving knwon as Melancholia Melencolia Artist Albrecht Drer Source math umd edu