Amazon.com: Baltic Birch Plywood, 6 mm 1/4 x 12 x 12 Inch Craft Wood, Box of 25 B/BB Grade Baltic Birch Sheets, Perfect for Laser, CNC Cutting and Wood Burning, by Woodpeckers :
New MDF and Plywood Laser Cutting materials on Sculpteo
Amazon.com: FSWCCK Pack of 8 PCS 12 x 12 Inch Craft Wood, Plywood Board Basswood Sheets, Perfect for DIY Projects, Drawing, Painting, Laser, Wood Burning, Wood Engraving and Laser Projects
Frylr Baltic Birch Plywood 8 PCS, 12 x 12 Inch Plywood Sheet Board, 6mm 1/4"