Last year I made a witches hat for my daughter. I had seen a couple made by gals in colorado when I was at the CQI retreat. I started with a Simplicity pattern for a child's costume and just cut it a bit larger. I am sure my daughter did not wear it but did have it on display with the Halloween books that we both made.
I decided to do another one for a friend and here are pics of the pieced hat and the completed one from last year. It is a fun project to do.