Here is a sample 2.5D Truchet tile from here:

http://www.designcoding.net/prototiling-exercise/




I used sweep, conic, and loft(s).
Is there some way to blend the teal shape to eliminate the internal edges?

I need to add random rotations, or patterned rotations, to the array...

www.iit.edu/~krawczyk/rjkisama11.pdf

- Brian