Like enterlac but scalloped !
Swirl shawls secrets: How does one achieve a vortex shape in shawl knitting? I'm happy to provide a detailed answer to this interesting question for you.
The Secrets of Swirl Shawls And Vortex Shawls
swirl shawl secrets- (Gray: normal stitches, green: increased stitches, magenta: decreased / bound off stitches).