External Birch Plywood for Scrollsaw / Pyrography / Crafts Not Laser - Laserply
BIRCH Laserlite Laserply ™ 3mm or 6mm - Laserply
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 :
6mm Birch Laser Plywood
Nervous System's quest for the best laser-cutting plywood – Nervous System blog