MEASUREMENTS: The earring arch pictured is 5" x 7" and base measures 1.5" by 5". MATERIALS: Pictured is 1/8" bass plywood but any 1/8-1/4" laser-safe material (wood or acrylic) should work. Just keep in mind you might need to resize slots if using different materials or thicknesses. KERF: You may need to resize this file due to material thickness or laser kerf. You should measure your materials using calipers to get exact measurements. There are kerf instructions included with this file and various youtube videos online that help it explain how to adjust files.