I had an idea, someone had done it, I had another idea, someone had done that, I had another idea .... etc.
So I did a bit more research based on Escher's work on planes, until I came up with a simple intersection that still has movement in it. Actually it had more movement than I intended, the red lines formed perfect curves before I quilted this piece and obviously distorted the base fabric.
|Sphere Surface with Fishes by M.C. Escher 1958|