Rotary attachment
Turns round objects under the laser so you can engrave tumblers, bottles, glasses and rings.
Atomstack · Open frame
Atomstack X20 Pro
Atomstack X20 Pro (20W, 400 × 400 mm open frame) — what it cuts, what it engraves, which accessories fit and our tested settings.
- Optical power
- 20W
- Work area
- 400 × 400 mm
- Software
- LightBurn, LaserGRBL
- Laser class
- Class 4
- Air assist
- included
- Camera
- No
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Settings
Atomstack X20 Pro settings by material
Keyed to the module power you own. Pick the material for a full page with focus notes and test-grid advice.
- Baltic birch plywood →
- MDF →
- Acrylic (opaque/black) →
- Slate coasters →
- Veg-tan leather →
- Powder-coated stainless tumbler →
- Anodized aluminum blanks →
Starting points, not gospel. Rows marked “starting point” come from manufacturer tables and community results. Run a small power/speed test grid on your own sheet before a real job — batch, humidity and focus all shift the result.
| Module | Job | Thickness | Power | Speed | Passes | LPI | Air | Status |
|---|---|---|---|---|---|---|---|---|
| 20W | Engrave | 3 mm | 25% | 3000 mm/min | 1 | 150 | — | Starting point |
| 20W | Cut | 3 mm | 100% | 450 mm/min | 1 | — | On | Starting point |
| 20W | Cut | 8 mm | 100% | 100 mm/min | 2 | — | On | Starting point |
| 20W | Cut | 3 mm | 100% | 300 mm/min | 1 | — | On | Starting point |
| 20W | Cut | 3 mm | 100% | 250 mm/min | 2 | — | On | Starting point |
| 20W | Engrave | — | 45% | 3000 mm/min | 1 | 200 | — | Starting point |
| 20W | Engrave | — | 15% | 4000 mm/min | 1 | 150 | — | Starting point |
| 20W | Engrave | — | 70% | 2000 mm/min | 1 | 250 | — | Starting point |
| 20W | Mark | — | 50% | 3000 mm/min | 1 | 250 | — | Starting point |
Fits this machine
Accessories for the Atomstack X20 Pro
Honeycomb working bed
A metal honeycomb panel that lifts your material so cuts pass through cleanly without scorching the back.
Laser enclosure
A fire-resistant box around an open-frame laser that contains smoke and blocks stray light.
Laser safety glasses (OD6+ 450nm)
Goggles that block the blue diode wavelength. Required for any open-frame diode laser.
Compare
How it stacks up
Frequently asked questions
What software does the Atomstack X20 Pro use?
LightBurn, LaserGRBL. LightBurn is paid; the brand software is free.
Does the Atomstack X20 Pro need air assist?
It ships with air assist. Use it for every cut.
Is the Atomstack X20 Pro safe indoors?
It is a Class 4 open-frame laser. Wear 445–455 nm goggles, never leave it unattended, and vent fumes outdoors.