Never buy another craft cone again! Here's a template for 5 sizes of craft cones that are used to make sturdy cones out of rolled poster board. These cones are just as durable as the paper mache (because they are rolled twice).
If you have long arms (like me) and a bunch of long-sleeved tees that don't fit after one wash and dry, you're gonna love this idea. DIY – Long sleeves to short. adding long sleeves to a short-sleeved shirt HAHAHA