Fatis Tiles
I saw a picture of a wall tiled with rotations of this one simple yet great tile, and had to make one to play around.
The turning point is clunky, but I don't know a way in GeoGebra to read the cursor coordinates.
Original images: http://vjeranski.tumblr.com/post/179807686413/ofhouses-585-carlo-scarpa-sergio-los
