Ortur Laser Master 3 Support

Ortur LM3 Specifications

The Ortur Laser Master 3 (OLM3) is a next-generation desktop laser engraver designed for creators, hobbyists, and professionals. Equipped with a high-speed 10W/20W/40W laser module and engraving speeds up to 20,000 mm/min, it offers industry-leading precision and performance. The OLM3 supports a wide range of materials including wood, metal, acrylic, leather, and more—making it ideal for detailed engraving, cutting, and DIY projects.

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Main Features

  • Power System: 24V 4A
  • Engrave Area: 400mm x 400mm
  • Construction Material: 70% Aluminiun, 15% Stainless Steel, 5% plastic, 5% Brass, 5% Others
  • Maximum Engraving Speed: 20,000mm/min
  • Features:
      - 2.4G Wifi, USB, SD Card, FTP and WebUi control
      - Emergency Stop
      - Safety Key Interlock
      - Exposure Duration and Limitation
      - Active G-shock and Gyroscopic Sensor

Compatible Laser Modules

  • LU2-10A Laser Module
    Optical Power Output: >9500mW
    WaveLenght: 445nm
    Focal Lenght: 50mm
    Dot size: 0.05×0.10mm
    Modulation Mode: TTL
    Weight: 235g

  • LU3-20A Laser Module
    Optical Power Output: >18,000mW
    WaveLenght: 445nm
    Focal Lenght: 56.5mm
    Dot size: 0.08*0.08mm
    Modulation Mode: PWM
    Weight: 555g

  • LU3-40A Laser Module
    Optical Power Output: >40W
     WaveLenght: 445nm
    Focal Lenght: 40mm
    Dot size: 0.1mm*0.15mm
    Modulation Mode: PWM
    Weight: 970g

Specifications

Ortur Laser Master 3 Specifications
Product Ortur Laser Master 3
Motherboard OLM-ESP-PRO-V2.4
Firmware OLF-V2.0 Firmware
Safety Features
  1. Safety Lock
  2. Emergency Stop Button
  3. Laser Exposure Time Limit
  4. Tilt Motion Detection
  5. USB Connection Monitor
  6. Active Position Protection
  7. Anti-crash Watchdog Mechanism
  8. Voltage & Current Safety Control System
Frame Materials 70% Aluminium, 15% Stainless Steel, 5% Plastic, 5% Brass, 5% Others
Motors NEMA 17 Stepper Motors
Mechanical Precision X: 12.5μm, Y: 12.5μm
Pixel Accuracy Adjustable (Default: 300 DPI; approx. 0.81μm)
Engraving Area LU2-10A: 400×400 mm (15.75×15.75 in)
LU3-20A: 400×380 mm (15.75×14.96 in)
LU3-40A: 400×380 mm (15.75×14.96 in)
Available Laser Modules LU2-10A: >9,500 - 10,500 mW
LU3-20A: >19,500 - 20,500 mW
LU3-40A: >39,500 - 40,500 mW
Wave Length 445 ± 5 nm
Focus Fixed Focus
Default Focal Length 50 mm (from the heat sink to the object)
Control Mode PWM
Power Rate S0 - S1,000
Engraving Speed 0 - 20,000 mm/min
Baud Rate 115200 – 921600 (Default: 115200)
Computer OS Windows XP/7/8/10 (LaserGRBL), macOS/Linux (LightBurn)
Control Software LaserGRBL (Free), LightBurn (Paid)
Input Formats JPG, JPEG, PNG, BMP, SVG, etc.
Engraving Materials Wood, Paperboard, Black Acrylic, Leather, Food, Stainless Steel, Powder Coated Metal, etc.
Cutting Materials Wood, Paperboard, Black Acrylic, Leather, Felt Cloth, Dark Plastic Sheet (Melt)
Input Voltage 100-240V ~ 50/60Hz
Power Adapter Output 24V / 4A
Operating Temperature -5℃ – 50℃

Video Tutorials

View LM3 Tutorials PlaylistView LM3 Projects Playlist

Download Center

  • Ortur software app download

    Software/App Download

    Start your creative journey with Ortur Inspiraesth App, LightBurn, or LaserGRBL Software.

    Learn More 
  • Ortur user manuals download

    User Manuals Download

    Explore your product more easily and proficiently with Ortur official user manuals.

    Learn More 
  • Ortur firmware files download

    Firmware Files Download

    Update firmware to improve your Ortur machine performance or fix known issues.

    Learn More 

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