Amazon: Baltic Birch Plywood, 3 mm 1/8 x 12 x 20 Inch Craft Wood ..
Baltic Birch Plywood, 3 mm 1/8 x 12 x 20 Inch Craft Wood, Pack of 20 B/BB Grade Baltic Birch Sheets, Perfect for Laser, CNC Cutting and Wood Burning, by Woodpeckers .. Brand: Woodpeckers.. 4..5 out of 5 stars 3,677 ratings | 166 answered questions ..