I've done a few without sashing, and a couple with sashing/cornerstones. One I made using a fussy cut safari panel and matching border stripe fabric. They are all pretty much controlled scrappy with the same center square color through each quilt. Here are some pics.
[ATTACH=CONFIG]441653[/ATTACH] [ATTACH=CONFIG]441654[/ATTACH] [ATTACH=CONFIG]441655[/ATTACH] [ATTACH=CONFIG]441656[/ATTACH] [ATTACH=CONFIG]441657[/ATTACH] [ATTACH=CONFIG]441658[/ATTACH]