Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsKenyon Tiling Construction (Boundary)http://demonstrations.wolfram.com/KenyonTilingConstructionBoundary/]]>http://demonstrations.wolfram.com/KenyonTilingConstructionBoundary/