Yep, I'm addicted to plain fabric, too. With plain fabric I can make wholecloths. His is is an old one I made six or so years ago, but I've been drawing up a storm and planning a new one. I'm not ready to post pictures of my drawings yet, but will share when I can. The first picture is one side, and I didn't take good pictures after it was bound, for some reason...
This picture is of the other side, and it is a pale green.
So with this addiction to fabric, I can transfer my drawings to fabric and stitch it out on my longarm. I change my mind frequently as to which part of the process of quilt making is my favorite; piecing, designing, machine quilting, and cutting.
Here is a closeup of my stitching, which I see six years later, leaves a lot of room for improvement. Hmmm...maybe I need to just make a replica of this and it will show how I have improved?