Thisattern is also called Living Large and is in the Trends and Traditions book by Heather Peterson. It is also in her blog which you can locate in Pinterest in her Halloween Winners entry. The post looks mY be older but a clear picture of the quilt will show you exactly how to piece this block. I mDe the MSQ version and love it. The difference is really the inner square/triangles but these are also snowballed strips. Good luck.