A design that looks like a top-down view of ziggurats!
I composited the diacritics so they'd fit into place, but this means that most anything non-English needs to be pretty large to be unambiguously read...
A quadratic design which also kind of looks like a hedge maze viewed from overhead.
The idea here was that I had 4 quadrants with 90-degree angles in them, and I would turn or modify those quadrants so they looked like letterforms.