Cutting 1/8" and 3/16" Foam Board with the 1.7W laser upgrade kit - J Tech Photonics, Inc.
Amazon.com: 8 Pieces Foam Boards White Foam Core Backing Boards, Silver Craft Knife with Protective Cap and 12 Inch Stainless Steel Ruler for Art Presentations Crafts Display Favors(12 x 10 x 0.2