The same simple loop runs every job — design, settings, focus, test, run — once you know the steps and how to match them to your material.
Short answer
Using a laser engraver follows the same loop on every job: create or import a design in laser software (such as LightBurn), set each part to engrave (raster) or cut (vector), pick power and speed for your material, set focus, run a quick test on scrap, then run the job with air assist and exhaust on and the lid closed. Match settings to the material — wood, acrylic, leather, and glass behave very differently — and start low on power and high on speed, adjusting one setting at a time. The machine is the easy part; dialed-in settings and a good test habit are what produce clean results. Never run unknown plastics, and never leave the laser unattended.
Set up your design and software.
Every job starts in laser software like LightBurn. Create artwork or import a file, then tell the software what each part should do: raster engraving sweeps back and forth to burn an image or text into the surface, while vector cutting follows a line to cut through. Lay parts out on the virtual bed, set engrave and cut as separate layers, and order them so engraving runs before any cut.
Set material, focus, and run a test.
- Choose material settings. Set power, speed, and DPI from a tested library for that material; when unsure, start low power and high speed.
- Place the material and set focus. Use the focus gauge or autofocus so the beam is sharp on the surface.
- Frame the job. Run the software’s frame/preview so you know exactly where it will mark.
- Test on scrap of the same material before committing to the real piece.
- Turn on air assist and exhaust, close the lid, and run — staying with the machine.
- Inspect and adjust one variable, then save the working recipe for next time.
Match the settings to the material.
The biggest difference between a clean job and a ruined one is matching settings to the material. Wood and leather take moderate power and char to a brown mark; acrylic engraves bright and cuts glossy; glass frosts at low power; coated and anodized metals mark on a CO2, while bare metal needs a fiber marker. Never run PVC or vinyl — they release toxic, corrosive chlorine gas — and identify any unknown plastic before you run it.
Related questions
How do you use a laser engraver machine?
Design or import artwork in laser software, set each part to engrave or cut, choose power and speed for the material, set focus, and run a test on scrap. Then turn on air assist and exhaust, close the lid, and run the job while staying with the machine.
How do you use laser engraver software?
In software like LightBurn you import or draw your design and assign layers: raster layers for engraving images and text, vector layers for cutting. You set power, speed, and DPI per layer, arrange the layout on the bed, and frame the job before sending it to the laser.
How do you laser engrave for the first time (beginner)?
Follow the loop: make a simple design, set it to engrave, choose conservative settings (low power, high speed), set focus, and test on scrap. Adjust one setting at a time until the mark looks right, then save those settings as your starting recipe for that material.
Can you use a laser engraver with Fusion 360, a CNC workflow, or design software?
You can design in many tools — Fusion 360, Illustrator, Inkscape, and others — and export vector or image files into your laser software. A laser engraver is its own machine, not a CNC router or printer, but the workflow of design, settings, focus, test, and run is the same.
Keep going
- Deep dive (coming soon): Laser engraving workflow basics
- Related: What is laser engraving? · How to cut & engrave acrylic
- Products: LS / HP CO2 lasers · FM Series fiber markers