amazing... i want to know how you geniuses do it, but the more brilliant stuff you put out, the more i realize i will have to live with never knowing how to even get started... alas
We're not geniuses, we're just messing around. ;) I suggest you start with a 5x5 mini. Throw 3 black squares in opposite corners. Use autofill if needed. I'm sure you can come up with something.