It's been rolling around in my head ever since, contemplating colors/fabrics and I knew at some point I had to give it a try. There's a bit of fear working without a pattern - no picture to refer to and no way to know what the final outcome will be. But I went for it in a combination of navy, gray, aqua and mint. And here's the result...
The block is really so simple, but makes a nice graphic impact.
I think you could really play around with different settings and configurations for the block.
You'll find a similar pattern here.