I think we can make a small workshop with truchet tiles.

Here are some links I have found useful to understand how they work:

http://www.mathrecreation.com/2017/03/truchet-tiles.html

http://www.mathrecreation.com/2017/04/truchet-en-plus.html

https://dmackinnon1.github.io/truchet/

https://public.tableau.com/app/profile/neil.richards/viz/truchet/Truchet

https://www.instagram.com/p/COSs1YkCZs4/

http://cambolbro.com/games/trichet/

http://arearugscarpet.blogspot.com/2014/04/the-curse-of-truchets-tiles.html

triangle truchet

triangle truchet1 triangle truchet2