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Triangle Truchet

Truchet tiles have been big in the Math-Twitter-Blog-o-Sphere (I made some recently in GGB http://tube.geogebra.org/material/simple/id/2679427; Dan Anderson did some nifty Processing Truchet http://www.openprocessing.org/sketch/309190) At some point I was wondering what equilateral triangle truchet would look like... well, let's make some. Turns out, they're fun!