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Amazon.com: Longer RAY5 5W Laser Engraver is an economical machine suitable for beginners the spot size of 0.08*0.08mm, App Offline Control, DIY Engraver Tool for Metal/Glass/Wood, Engraving Area of 15.7"x15.7"
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450nm 5W blue laser diode with FAC, compressed spot technology, square spot | eBay
Amazon.com: Creality 3D Printer 5W Laser Engraver Module Kit Updated for Ender-3 Neo Ender-3 V2 Neo Ender-3 V2 Ender-3 S1 Pro Ender-3 Max Neo Ender-3 Ender-3 Pro Ender-3 S1 Ender-3 S1 Plus :
Crazy difference between 5W LASER and 5W LED! - YouTube