The Best Woods for Laser Engraving (and the Ones to Avoid)

A laser engraves wood by burning it, so what matters is how evenly the wood burns. Even density, a pale colour, close grain and little resin give a crisp, even engraving. Strong grain contrast and resin give a blotchy one.

Woodworkers already know most of what follows. They just have not had to think about it in terms of burning.

The reliable woods

Basswood (limewood). Pale, soft, almost grainless. It is the standard for laser work because it engraves evenly at low power and cuts easily, which is why makers quote their cutting figures in it. It is soft enough to dent, so it suits signs and decorations better than anything handled daily.

Maple. Hard, pale and close-grained, with high contrast between the burn and the wood. A good choice for cutting boards and anything that has to last.

Cherry and alder. Even grain and a warm colour. The engraving contrast is a little lower than on maple, but it reads as rich rather than stark.

Birch plywood. The workhorse for laser cutting: flat, stable, and consistent from sheet to sheet. Look for laser-grade ply. Ordinary construction ply has glue voids and inner layers that cut unevenly.

Walnut. It engraves well, but the burn is dark brown on dark brown, so contrast is low. Engrave walnut for texture rather than for a picture.

The difficult ones

Oak and ash. Ring-porous woods with hard latewood and soft earlywood. The soft bands burn deeper, so a filled area comes out striped. Fine for bold text with the grain; poor for photos.

Pine and other resinous softwoods. The resin flares and smokes, and the alternating hard and soft growth rings engrave unevenly. Pine is fine for rustic work. Do not expect crisp detail.

MDF. It engraves evenly and is the classic material for jigs and templates. But the binder smokes heavily and smells, so ventilation matters more. See laser safety and ventilation.

Anything finished, painted or treated. You do not know what the finish will release when it burns. Pressure-treated timber in particular is out.

Getting a clean result

• Mask before engraving. Low-tack masking tape or transfer paper over the area stops smoke from staining the surface around the engraving. Peel it off afterwards.
• Test on an offcut first. The same species varies from board to board. Run a small grid of power and speed settings, and pick from what you see.
• Engrave with the grain where you can. On ring-porous woods, filled areas aligned with the grain look far less striped.

Which laser for which wood job

Engraving is something almost any laser does well. For cutting thicker hardwood, a CO2 machine is a different class from a diode. See the best laser engravers for wood for the three we would pick.