The basic pattern is EZs Pie are Square shawl, but for someone as … rounded as me, it would be much better to have a triangular back, so I tried to do increases every other row in the middle, as in a triangular shawl, instead of the pi increases. This turned out a bit narrow after a while, so I did ONE pie increase somwhere along the line, and it has turned out perfect! Plan B is to make another one, with smaller needles, that I can use as a sort of vest