Reviewing the Longer B1 40W Laser | Beginner’s Guide to Laser Cutting & Engraving

In this video, we walk through the complete installation, testing, and review of the Longer B1 40W Laser. Whether you’re brand new to lasers or looking to upgrade, we cover everything from unboxing to first cuts. You’ll also get a Laser Cutting & Engraving 101 intro — perfect for beginners and novice users. We’ll share setup tips, safety basics, engraving tests, material guides, and honest impressions of the B1 40W.

👉 If you’re curious about laser projects, DIY engraving, or cutting different materials, this video is your beginner-friendly starting point.

🔗 Product link: https://www.longer3d.com/products/longer-laser-b1-40w-44-48w-output-power?variant=45971888570612

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