I don't know why I did not come up with this idea sooner. We do Zendalas on White Tiles, on Black Tiles and yes, even on Tan Tiles. But, why has anyone not thought of the idea of combing any or all of the above.
Well, here is my version of a black and white Zendala using black and white.
I had so much fun creating this that I will be experimenting more using this method.