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:
Heptagrammic tiling. en April KaleidoTile software Heptagrammic tiling The heptagons are generated by the outer edges of triangles These heptagons are then stellated to form heptagrams original upload log page en Heptagrammictiling '' Upload date User Bytes Dimensions Comment nowrap nowrap TheDJ nowrap nowrap no KaleidoTile