Hello, I call this my retro shell shawl because I’ve been making it since the early 70s, when I was about 13 years old. I expect I had a pattern for it once, maybe, but it has been changed and adapted and forgotten and re-worked-out and remade so many times since then I’m sure it’s mine now. I made one for a friend, then was asked for another by another friend, then made myself one, then said yes, I’d make more if people bought me the yarn, then started charging to make them, for charity! Over the years I must have made dozens, they go out of fashion and come back in and I find one, wear it and it starts again. Recently I dug one out, worked out a pattern again, made some and here it is for you to try. Just keep adding rows of shells if you want it bigger. Enjoy.