I love those quilts that make you work to figure it out. And again I was way off - although there is more than one way to skin this cat, as you'll see at the bottom of this post. This is the Arkansas Crossroads quilt that 24 Blocks shared on their facebook page (from Charlotte T.)
I had three different ideas for how this might be done but none of them were as simple as how you actually do it.
The basic block (from saravictorious.com ) :
Four of them together (from craftsy.com ) :
And some basic how-to's with pictures on quilterscache.com (more illustrations on their site):
A look at another Arkansas Crossroads quilt. This one is on Quilts from the Bluffs and she offers an excellent free pattern on her page. Her way is how I thought this quilt would go together. Probably the way I'll do it.