Amazon.com: CO2 Laser Cutting Head with Air Assist and Laser Dot Frame for Installing Dia 20mm Lens and Dia 25mm / 1" Mirror : Arts, Crafts & Sewing
Amazon.com: CNC Laser Head 7W Blue Laser Module, Used for Engraving Wood and Stainless Steel, can Cut 3mm Plywood, with PWM/TTL : Arts, Crafts & Sewing