I've always meant to make an Escherized tiling of the type of [url=http://talkingmathwithkids.squarespace.com/store/tiling-turtles]Christopher Danielson's tiling turtles[/url]. [br][br]Then Martin Holtham got me off my GeoGebutt with [url=https://twitter.com/GHSMaths/status/747229804890562560]a tweet[/url].