Atomstack Kraft Lite 40W vs Ortur Laser Master 3 (LM3) 20W
Technical comparison · Diode laser (405–460 nm)
Kraft Lite 40W and Laser Master 3 (LM3) 20W are two diode laser (405–460 nm) in a similar class. Choose Kraft Lite 40W if work area matters more; choose Laser Master 3 (LM3) 20W if price matters more.
| Parameter |
Kraft Lite 40W
Atomstack
F2 · Intermediate
|
Laser Master 3 (LM3) 20W
Ortur
F2 · Intermediate
|
|---|---|---|
| Identity | ||
| Launch year | 2025 | 2023 |
| Use tier | F2 — Intermediate | F2 — Intermediate |
| Price | ||
| Price (€) | 2335 € | ~800–1050 € |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | — | 58 × 55 × 15 cm |
| Weight (kg) | 23.6 kg | — |
| Work area (mm) | 500 × 320 mm | 400 × 380 mm |
| Power (W) | — | 96 W |
| Voltage (V) | — | 24 V |
| Maximum speed | — | 20000 mm/min |
| Declared precision | — | 0.01 mm |
| Category specs | ||
| Work area (short side) (mm) | 320.0 mm | 380 mm |
| Rated power (W) | 20.0 W | 20 W |
| Source technology | Diode | Diode |
| Max travel speed (mm/s) | — | 333.33 mm/s |
| Max processing speed (mm/s) | — | 333.33 mm/s |
| Max cut depth per material | wood: 18mm, acrylic: 5mm, leather: 5mm, metal: 0.01mm, stone: 0.01mm | 15mm Pine, 10mm Plywood, 8mm Black Acrylic |
| Wavelength (nm) | — | 445 nm |
| Min resolution (µm) | — | 12.5 µm |
| Autofocus | True | False |
| Rotary included/compatible | — | False |
| Passthrough | True | True |
| Supported software | — | LightBurn, Other |
| Ecosystem | ||
| Cloud dependency | No | No |
| Software notes | Compatible with LightBurn, LaserGRBL, and any software that outputs G-code to a GRBL controller. The board uses open GRBL firmware, allowing for customizable engraving parameters without locking you into proprietary software. LightBurn requires a separate license (about €99). | Fully compatible with LightBurn and LaserGRBL via USB or Wi-Fi. It also offers the proprietary Ortur Laser Explorer app for controlling and sending jobs directly from a smartphone. |
The differences that matter
- Price: Kraft Lite 40W 2335 € vs Laser Master 3 (LM3) 20W 925 € — Laser Master 3 (LM3) 20W wins (+152%)
- Work area: Kraft Lite 40W 500×320 mm vs Laser Master 3 (LM3) 20W 400×380 mm — Kraft Lite 40W wins (+5%)
Which one to choose
MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.