Atomstack Atelier 12W Galvo Diode Laser Engraver vs Ortur LM3 40W

Technical comparison · Diode laser (405–460 nm)

In brief

LM3 40W leads on the available specs (starting with work area); Atelier 12W Galvo Diode Laser Engraver makes sense only for non-technical reasons (availability, support, ecosystem), or if the missing data matters in your case.

Parameter
Ortur LM3 40W LM3 40W Ortur F2 · Intermediate
Identity
Launch year 2025 2023
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) ~600–800 € ~600–800 €
Universal specs
Dimensions (W×D×H) (cm) 30 × 30 × 41.5 cm 65.8 × 62.5 × 15 cm
Weight (kg) 3.49 kg
Work area (mm) 120 × 120 mm 400 × 380 mm
Power (W) 96 W
Voltage (V) 24 V
Maximum speed 4000 mm/s 20000 mm/min
Declared precision 0.01 mm 0.08 mm
Category specs
Work area (short side) (mm) 120 mm 380.0 mm
Rated power (W) 12 W 20.0 W
Source technology Diode Diode
Max travel speed (mm/s) 4000 mm/s
Max processing speed (mm/s) 4000 mm/s 333.33 mm/s
Max cut depth per material 15mm Pine, 10mm Plywood, 8mm Black Acrylic
Wavelength (nm) 455 nm
Min resolution (µm) 80.0 µm
Autofocus False
Rotary included/compatible False False
Passthrough False
Supported software Proprietary, LightBurn Proprietary, LightBurn, Other
Ecosystem
Cloud dependency No No
Software notes The control of the machine is fully compatible with the industry standard LightBurn, ensuring users have access to advanced tools for design, layer management, and vector path optimization directly via USB connection. The proprietary software provided by the manufacturer is also supported, making it ideal for quick engraving and marking operations or for users who prefer a more streamlined interface. The absence of constraints related to cloud architectures ensures full hardware operability even in offline environments, protecting the confidentiality of work files and ensuring the tool's longevity is not dependent on external remote server support. The LM3 uses firmware based on the open GRBL protocol, compatible with LightBurn (diode license ~$60 one-time), LaserGRBL (free, open-source), and the proprietary Ortur iOS/Android app with selectable novice and advanced modes. LightBurn offers advanced variable power control, path optimization, and optional camera alignment; LaserGRBL covers basic engraving tasks at no additional cost. The open GRBL protocol ensures compatibility with third-party tools and standard G-code generators. Communication is via USB; the Ortur app allows remote job launching via Wi-Fi without a connected PC.

The differences that matter

  • Work area: Atelier 12W Galvo Diode Laser Engraver 120×120 mm vs LM3 40W 400×380 mm — LM3 40W wins (+956%)

Which one to choose

Choose LM3 40W if…

you value work area.

See the LM3 40W sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.