File:Escher circlelimit iv-with overlay.png

{{Non-free use rationale 2

|Description = Escher art work "Circle Limits IV" 1960, low resolution example hyperbolic tiling, with symmetry mirror overlay added.

|Source = http://www.mcescher.com/Gallery/recogn-bmp/LW436.jpg

|Date = 1960

|Author = M.C. Escher

|Article = Order-6 square tiling

|Purpose = To support encyclopedic discussion of this work in this article. The illustration is specifically needed to support the following point(s):

Example of hyperbolic symmetry in art

|Replaceability = n.a.

|Minimality =

1. It is a low resolution image. (320 pixels)
2. Its inclusion in the article adds significantly to the article because the print and its historical significance are the object of discussion in the article.

|Commercial = n.a.

}}

{{Non-free 2D art|image has rationale=yes}}

{{Category ordered by date|Non-free files uploaded as object of commentary|2013|01|18}}