Ortur · Diode laser
Ortur Laser Master 3 20W
Proven open diode laser from Ortur in 10, 20 and 40 W. There is no successor "Laser Master 4" or "LM3 Pro" as of October 2026.
Ideal for: For beginners and advanced users looking for a light open laser with good software integration.
Open device: You need laser safety glasses for the matching wavelength while working, and so do onlookers. More at Laser safety.
Price in the manufacturer's shopin US dollars only: $639.99As of 26 Oct 2026, can change dailyThere is no manufacturer's shop price for your region, the EU price is shown.
Pros and cons
Pros
- Light and fast at 20,000 mm/min
- Integrated Air Assist with pump
- Extensive safety features (tilt, emergency stop, exposure time limit)
Cons
- Open frame, class 4
- No camera, no autofocus
- Slightly smaller area with 20 W and 40 W (400 × 380 mm)
Specs
| Price range | €500 to €1,000 |
|---|---|
| Price in the manufacturer's shop | in US dollars only: $639.99 |
| Laser type | Diode laser |
| Laser source | Diode 20 W optical, square spot 0.08 × 0.08 mm; alternatively 10 W or 40 W |
| Power (optical, main source) | 20 W |
| Work area | 400 × 380 mm |
| Dimensions | 698 × 550 × 199 mm |
| Weight | 4.8 kg |
| Construction type | Gantry |
| Enclosure | open |
| Laser class | Class 4 |
| Speed (max.) | 20,000 mm/min |
| Cutting according to the manufacturer | 20 W: 15 mm pine, 10 mm plywood, 8 mm black acrylic in one pass |
| Air Assist | built in, pump included, controlled by rotary knob |
| Camera | no |
| Fume extraction | no, open frame |
| Rotary attachment | optional (YRC 1.0, YRR 2.0) |
| Software | Ortur App, LightBurn, LaserGRBL |
| Connectivity | Wi-Fi, USB |
| Materials (according to the manufacturer) | Wood, Plywood, Acrylic (black), Leather, Stainless steel (marking, colour engraving), coated metal |
Source: Manufacturer or retailer specifications, As of 10/2026. Cutting figures are manufacturer values under ideal conditions.
Facts, not a buying recommendation. This page summarises manufacturer specifications and our assessment. If we recommend a device, it is explicitly marked “Our recommendation”. Figures marked ◇ do not come from the manufacturer; the source is linked. How we work