Ever wondered how those intricate, eye-catching designs get permanently etched inside glass keychains? Today, we’ll pull back the curtain on the mystery behind this with our 3d crystal engraving machine In the video, you’ll see 3d glass laser engraving : gliding smoothly over a plain glass keychain and directly engraving stunning 3D patterns inside the material. Let’s take a look at its technical highlights! First off, the laser precision of the 3d crystal laser machine deserves a shoutout. Its operating precision reaches a tiny range of 20μm~40μm—which is even finer than a human hair! So whether you’re looking to engrave a logo, a photo outline, or a custom graphic, this 3d crystal laser engraving machine. brings every detail to life with crispness and sharpness. No blurriness, no uneven lines—just professional-quality results every single time. Next up is its impressive engraving size. This 3d crystal etching machine isn’t limited to small trinkets—it can handle objects with a maximum size of 300mm × 400mm × 120mm. That means you can not only use 3d crystal laser engraving machine to make glass keychains, but also scale up to bigger projects, like crystal trophies, decorative glass panels, or personalized gifts. Here’s a standout feature to recommend: zero hassle maintenance. This 3d laser engraving system comes with an automatic positioning system, a maintenance-free optical path system , and a high-precision motion control system—all ensuring the entire machine operates stably and smoothly. Whether you’re a business owner looking to add custom glass keychains to your product lineup, a hobbyist who loves doing crafts yourself, or just someone fascinated by cool tech—this 3d laser etched crystal machine is a total must-see! Watch the video to witness its real-world performance, and feel free to leave a comment below—what design would you want to engrave with crystal engraving machine first? Don’t forget to like, subscribe, and hit the bell to turn on notifications! -------------------- 00:01 Unveiling 3d crystal engraving machine 00:03 Watch It Start! 3D Crystal Laser Engraver Begins Working on Glass Keychains 00:26 See the Finish! 3D Laser Engraved Glass Keychain Sample Is Here 00:45 Get Yours Today – Contact Perfect Laser -------------------- Business cooperation: Email: [email protected] Mob/WhatsApp: +86 18171173913 Skype: chinaperfectlaser #video #3dcrystalengravingmachine #3dglasslaserengraving #3dcrystallasermachine #3dlaserengravingmachine #3dcrystaletchingmachine #3dlaserengravingsystem #crystalengravingmachine #PerfectLaser #PerfectLaserChina How Does It Carve 3D Designs Inside Glass? 3D Crystal Laser Engraver Demo