To make the Style 2 blocks, I added a third ring of fabric around the outside.  I alternated between solid fabric and prints.  As you can see, the strips for Style 2 blocks are skinnier than the ones I used for the Style 1 blocks.  Here are a few:

I have twenty blocks in these two styles, which I think should be enough for the center of a medium size couch blanket type quilt. Each block is about 10 inches square.  Now I have to start laying them out to get a bigger picture of where this whole thing is going.