Truchet 3x3

Thank you Diego Lieban for this activity!
Click on the center of each square to flip it and on the corners to rotate it.
source: [url=http://xahlee.info/math/Truchet_tiles.html]http://xahlee.info/math/Truchet_tiles.html[/url][br]accessed in 03.11.2018.
– Renert School, Diego Lieban

Information: Truchet 3x3