How do you make a dunce hat?

A dunce cap is basically a funnel, however, it is very easy to make the funnel lopsided, which really fails as a cap. Please follow the link below for simple and accurate instructions on how to make a funnel that can be used as a dunce cap. Obviously you want to use a piece of paper that has a sufficient width in order that its circumference will allow it to sit on somebody's head.