There's a nomadic Indie Craft fair that happens a number of times a year in Pittsburgh and a couple other cities. The next one is at the Union Project in Highland Park on April 4th. The website is imadeitmarket.com.
You are most welcome!!! I think a drum shade would be infinitely easier than this shape because there would be little sewing required and no pattern needed--just cut a rectangle the appropriate size, sew it into a tube and glue it on.