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.

Shop Now

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℃

FAQs

1. What can the Ortur Laser Master 3 cut and engrave?

The Ortur Laser Master 3 (OLM3) can engrave and cut a wide range of materials including wood, plywood, acrylic, leather, glass (coated), anodized aluminum, and stainless steel (with color engraving). With up to 20W optical power, it can cut up to 10–15mm wood and engrave over 380 colors on metal surfaces depending on settings.

2. Is the Ortur OLM3 good for beginners?

Yes, the OLM3 is beginner-friendly thanks to its quick assembly, guided software options, and features like a quick focus stick and built-in air assist. It supports both simple and advanced workflows, making it suitable for hobbyists and small business users.

3. What software works with Ortur Laser Master 3?

The Ortur OLM3 is compatible with popular laser engraving software such as LightBurn and LaserGRBL. It also supports Ortur’s proprietary software with beginner and professional modes for different user levels.

4. Does the Ortur OLM3 come with air assist?

Yes. The OLM3 features an integrated air assist system with a built-in air tube and included air pump (on selected 20W/40W bundles), which helps reduce burn marks by up to 50% and improves cutting quality.

5. How powerful is the Ortur Laser Master 3?

The OLM3 is available in multiple configurations (10W, 20W, and higher 40W modules). The 20W version delivers strong cutting performance with compressed laser beams, enabling one-pass cutting on materials like plywood and acrylic under optimal conditions.

6. Is the Ortur OLM3 safe to use at home?

Yes, the OLM3 is designed with multiple safety features including a laser-filtering protective window (up to 97% filtration), emergency stop, motion detection, and exposure control systems. However, users should still follow proper ventilation and safety practices when operating any laser machine.

7. Can the Ortur OLM3 engrave metal?

Yes. The OLM3 can engrave on coated metals and anodized aluminum, and it can produce over 380 colors on stainless steel through oxidation effects by adjusting laser parameters.

8. What is the engraving accuracy of Ortur Laser Master 3?

The OLM3 uses a compressed laser spot (as small as 0.08 × 0.08 mm), allowing for high-detail engraving with up to 256 grayscale levels, making it suitable for intricate designs and photo engraving.

9. How long does the Ortur OLM3 last?

The machine features a dual cooling fan system with up to 10,000 hours of service life for the laser module under normal operating conditions, depending on usage and maintenance.

10. Does Ortur OLM3 require assembly?

The OLM3 comes partially pre-assembled and typically requires minimal setup. Most users can complete assembly within a short time, making it accessible even for first-time laser engraver users.

11. What is the warranty for Ortur laser engravers?

Ortur provides a 1-year warranty covering non-human-caused issues, along with a 30-day return policy for eligible products purchased through official channels.

12. Can I upgrade the laser module on the Ortur OLM3?

The OLM3 supports compatible Ortur laser modules (such as 10W, 20W or 40W upgrades). However, using third-party high-power modules may require additional power and controller compatibility, so official modules are recommended for stability and safety.

13. What makes OLM3 different from other diode laser engravers?

Key differentiators include:

Integrated air assist system
High-speed engraving capability
Fine compressed laser spot for precision
Advanced safety protections
Color engraving on stainless steel

These features position it as a mid-to-high tier desktop diode laser.

14. Can the Ortur OLM3 be used for small business or Etsy shops?

Yes. The OLM3 is widely used for small-scale production such as personalized gifts, signage, leather goods, and crafts. Its balance of speed, precision, and material compatibility makes it suitable for side businesses and light commercial use.

15. How to choose among OLM3 40W, 20W and 10W models?

If you prioritize speed and have higher cutting requirements, the 40W and 20W model is your best choice. If you value fine details and engraving precision, the 10W model will suit you better.

16. What are the recommended accessories for OLM3?

  • Air Assist Set & Engraving Platform: Essential tools for clean, burn-mark-free projects. The Air Assist Set removes dust from the laser head, while the honeycomb platform prevents laser damage to your workspace.
  • YRC1.0 Rotary Attachment: Ideal for cylindrical items such as tumblers, Christmas ornaments, and rings. 90% of users choose this accessory for enhanced versatility.
  • Extension Kit: Expand your working area up to 830 x 400 mm for large projects.
  • Enclosure 2.0 & Smoke Purifier: Recommended for indoor use to maintain clean air and ensure safety.

17. Can the OLM3 be used with the Z-Height adjuster?

Yes, the Z-Height Adjuster is compatible with all modules, including the OLM3. However, please note an additional limit block is required for proper use, and the engraving area will be reduced to 400 x 355 mm.

18. Where can I find machine engraving & cutting parameters?

You can find detailed references on engraving and cutting parameters in the official user manual or on our page LightBurn Material Settings / LaserGRBL Material Settings. These resources provide optimized settings for various materials to help you achieve the best results.

  • 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 

Still Need Help?

Don't hesitate to contact us now! Our support team is ready to help!