Here's a link to the one I would make:
http://www.quiltingboard.com/main-f1...ns-t46004.html
I'd plot out the size first before determining strip size. If it doesn't come out exactly the right size for a king, then I'd add borders to make it the right size. I think this would look stunning in darker browns and lighter beiges.
Another possibility is this pattern from dunster:
http://www.quiltingboard.com/items-s...s-t170529.html