Steel Art Workshop: Propane to Jack-o-Lantern Transform a retired propane tank into a one-of-a-kind jack-o-lantern sculpture! In this class, you’ll learn to use a plasma cutter to design and create your pumpkin’s face. Learn basic MIG welding and metal finishing techniques to complete your project. You’ll also leave with an LED light so your glowing pumpkin is Halloween ready! Materials, tool, and safety gear will be provided.