Fast, Powerful DIY Laser Engraver and Cutter Ortur LU3-20A Detailed Review

Fast, Powerful DIY Laser Engraver and Cutter Ortur LU3-20A Detailed Review

Recently, Ortur introduced an upgraded version of its 20W-class diode laser, a long-awaited but welcome development. This new product has two different product variants to meet the needs of different users. For old users, just purchase the LU3-20A laser module separately; for new users, please purchase the entire Ortur Laser Master 3 20W version of the machine.

This amazing machine, the ORTUR LU3-20A combines versatility and high power, making it a must-have for hobbyists, artists, designers and experts. Its exceptional properties and intuitive interface open up endless opportunities for engraving and cutting with unparalleled precision. This article aims to delve into the impressive features of this laser engraver and its potential to transform your project into a masterpiece. Remarkably, it can produce over 380 colors on stainless steel!

Unboxing and Assembly

The machine is delivered in the most professional manner, securely housed in a protective foam insert ensuring the integrity of every component. These include a comprehensive instruction manual and a supplemental quick setup guide, complemented by a set of creative project ideas to spark your imagination.

Assembling the machine, it took me about 30 minutes to do everything, there is manual user guide, you just need to do it step by step, besides, they have installation video to show you every detail.

Below is the list included in the package

Master Laser Engraver Components
Laser module (LU3-20A)
Timing belts and circuit packs for machine assembly
laser line
usb cable
One power adapter
YRR motor wires for machine operation
cable tie
Machine key, brush, WiFi antenna and goggles for safe operation
A TF card with card reader
Test material
installation kit
air assist kit
High precision laser lens

It has an open frame design and is made of extruded aluminum for a lightweight yet strong construction. Its steel linear guides and wheels further enhance its durability. Notably, this framed router is adaptable; it can be effortlessly repositioned on larger materials, delivering high-precision results regardless of the object's size or position.

20W laser module

A powerful engraving and cutting instrument compatible with Ortur and Aufero laser engravers. This 20W power source is capable of engraving over 380 different colors on stainless steel, offering an impressive 256 levels of grayscale engraving.

Quick focus stick

The Ortur LU3-20A laser module is equipped with a quick focus lever that can be quickly adjusted to the best focus with a gentle toggle, a design that embodies simplicity and convenience.

Integrated Air Assist System

The LU3-20A laser module has a built-in air tube that works in harmony with the included 50L air pump to cut the incidence of burn marks in half. An adjustable airflow knob enhances this effect. This air pump system helps minimize dust buildup on the lenses, reducing wear and tear. Another advantage of this module is its ability to reduce smoke, helping to reduce burns.
dual cooling fans

The device is equipped with a powerful cooling system with dual fans with a speed of up to 10,000 rpm, which significantly enhances the durability of the laser and ensures a reliable lifetime of up to 10,000 hours.
software compatible

The Ortur LM3 was designed with versatility in mind, extending its compatibility to well-known software such as LightBurn, LaserGRBL and Laser Explorer. This broad compatibility ensures that users can seamlessly integrate the LM3 into their existing workflows and benefit from the versatile functionality and user-friendly interface these software solutions offer.

Laser Engraving Test
So far I've tested the machine on different materials including paper, wood, acrylic and leather and below are some of the pieces I've carved and cut.

The Ortur LM3 goes above and beyond performance and innovation by embedding fundamental safety measures in its design.

Security lock
active position protection
Tilt position protection
Exposure Duration Detection and Limitation
Voltage and current safety control system Host computer watchdog
emergency stop switch

Upgrade your machine

Folding stand

The folding bracket is specially designed for ORTUR Laser Master 3, and it is made of aluminum alloy, which is more delicate and stable. With the foldable legs, the height of the laser engraver can be adjusted, and thicker materials can be engraved

Y roller series

360°engravable, you can replace accessories to carve objects (such as: wine glasses, snowman cups, baseball bats, rings, balls or cups with handles, etc.), unleash your creativity


3-step operation available within 10 minutes
Take photos to admire the authentic direct sculpture
380+ color metal engraving
Built-in air assist for better engraving and cutting results
7 security guarantees
Thoughtful design to enhance user experience


For taller projects, risers or collapsible feet for the laser may be required.
Only for engraving objects up to 100 mm in diameter

final thoughts
The Ortur OLM3 is an incredible laser engraver for DIY users and small business owners, emblematic of the company's commitment to powerful performance and unwavering safety, it excels in all important areas of your engraving project, making it the One of our top picks for laser engraving machines.

The combination of its features culminate in an impressive and effective sculpting experience. While some tasks may take more time, this is a small compromise for the quality and precision it provides. A contemporary benchmark in its price range, Ortur's OLM3 offers a powerful system that serves creatives and professionals alike.

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