TruchetNew

I found a new and somewhat simpler way to generate Truchet curves, so I made TruchetNew1 as a test to see how it worked. When this looked good I made TruchetNew2 which is a more useful size.

You can read about Truchet curves here:

https://cults3d.com/en/3d-model/home/truchetsrf2-1-2