jasonlong/geo_pattern — pull request #18 by jasonlong (2014-02-14 16:55:24+00:00)
Title: Better rings pattern

I felt like the rings pattern was pretty boring, so I change it (and renamed it) to concentric circles.

![screen shot 2014-02-14 at 9 14 20 am](https://f.cloud.github.com/assets/6104/2172827/c6ec2b7c-9598-11e3-92ae-58037d3e712e.png)