I found some instructions that should help you with this:
Butcher or craft paper templates.
Hi Charles! Here are some links with information that may help you out. Have a great holiday season!
Charles, do you have something specific in mind? I’m thinking that a large plastic stencil could provide a good pattern for your skirting. Home Decor, Home Depot, Lowe’s, Menards, Hobby Lobby, Michael’s, etc. carry them, as well as Etsy, Wish and other websites. Best wishes! 😊