http://blogs.msdn.com/b/davrous/archive/2014/02/19/coding4fun-tutorial-creating-a-3d-webgl-procedural-qrcode-maze-with-babylon-js.aspx

Learn how to create a 3D Maze using Babylon.js/WebGL based on a dynamically generated QR Code.

Test the demo here: http://david.blob.core.windows.net/techdays2014/lovemaze/index.html

Useless but fun. :)