Ortur Laser Master 3

Name: Ortur Laser Master 3 20W
Brand: Ortur
SKU: ortur-laser-master-3-20w

Community-favorite open-frame diode — best LM3 value

Last updated June 1, 2026How we evaluate

Released August 2022

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Showing specs for: 20W

20W

Laser spot size: ~0.10 mm spotMotion precision: 0.01 mmSample engrave: ~10–15 min

TL;DR

The 20W LM3 is the configuration most buyers mean when they say 'Laser Master 3'. Strong engraving, light cutting, huge community — verify you are not accidentally ordering the 10W SKU.

What this machine is for

Affordable introduction to diode laser engraving and light cutting for hobbyists.

Best for

BeginnersBudget buyersWood engravingFirst laser

Materials

Engraves

· Wood
· Leather
· Slate
· Anodized aluminum
· Stainless (with spray)

Cuts

· Basswood (up to 8 mm)
· Dark acrylic (up to 5 mm)
· Paper
· Fabric

Cannot do

· Clear acrylic
· Thick hardwood reliably
· Bare metal without spray
· Large-scale production runs (duty cycle limits)

Pros

✓Excellent price-to-work-area ratio
✓Massive community — fixes and tutorials everywhere
✓LightBurn support for serious workflows
✓Wi-Fi and fixed-focus options simplify setup
✓Good enough to learn whether you need a bigger machine later

Cons

✗Open frame — safety glasses mandatory, not kid/pet friendly
✗Build and QA less consistent than premium brands
✗Customer support can be slow
✗20W marketing is optical/combined power — real cutting still limited
✗No enclosure included — smoke and noise in your workspace

Beginner notes

A solid first laser if you are unsure about the hobby. Start with LightBurn (paid but worth it). Do not expect it to run a business alone — duty cycle and consistency may frustrate high-volume sellers.

Pro tips

Join the Ortur Facebook/Reddit groups before buying — firmware tips save hours. Add air assist early. If you plan to sell products within 6 months, consider jumping to xTool D1 Pro or CO₂ instead.

Pro / technical specs

Raw numbers for experienced users comparing machines.

Laser spot size: ~0.10 mm spot
Max speed (spec): 333 mm/s
Avg engrave speed: 70–150 mm/s fill
Avg cut speed: 3–10 mm/s on 3 mm wood
Motion precision: 0.01 mm