A 40 W laser module cuts basswood plywood up to 15 mm thick and a 10 W module up to 5 mm, according to Bambu Lab’s H2D specifications and Snapmaker’s Artisan page. On Bambu Lab’s modules the 40 W also cuts 6 mm basswood five times faster, at 10 mm/s against 2 mm/s in a single pass.
The watt figure is optical output: the power of the light the module emits, not what it draws from the wall. Bambu Lab’s 10 W label reads “Max. Output Power: 10W”. Snapmaker lists its 40 W module at 40 W laser output power and 125 W electric power. All four modules are blue diode lasers, 455 nm on Bambu Lab and 450 to 460 nm on Snapmaker.
What is the difference between a 10W and 40W laser module?
A 40 W module emits four times the light of a 10 W module at the same blue wavelength, so it cuts wood up to three times thicker, and faster. Bambu Lab rates its 40 W at 15 mm basswood plywood and 1,000 mm/s engraving, against 5 to 6 mm and 400 mm/s for the 10 W.
The makers’ other figures:
- Cutting speed. Bambu Lab’s single-pass table gives 3 mm basswood at 16 mm/s (40 W) and 5 mm/s (10 W), and 6 mm at 10 mm/s and 2 mm/s. Only the 40 W has a 10 mm figure: 4 mm/s. Snapmaker lists 20 mm/s for its 40 W, measured on 3 mm basswood plywood, and 5 mm/s for its 10 W.
- Engraving speed. Bambu Lab: 400 mm/s (10 W) and 1,000 mm/s (40 W). Snapmaker Artisan: 200 mm/s for both.
- Spot size. Bambu Lab’s 10 W has the smaller spot, 0.03 × 0.14 mm against 0.14 × 0.2 mm on the 40 W. Snapmaker lists 0.05 × 0.2 mm (10 W) and 0.1 × 0.15 mm (40 W).
- Work area. On the Bambu Lab H2D the 10 W covers 310 × 270 mm and the 40 W covers 310 × 250 mm. The Snapmaker Artisan gives both 400 × 400 mm.
- Extras. Snapmaker’s 40 W comes with an air assist pump and its 10 W with camera capture instead. Bambu Lab fits the air pump to the printer’s laser edition for either power.
Not every printer takes both. Bambu Lab says the H2S supports only the 10 W module, while the H2D and H2C take either. Snapmaker ships the Artisan with the 10 W and the Artisan Premium with the 40 W. The Bambu Lab laser printer comparison shows each model’s options, and the list of 3D printers with a laser engraver covers every maker in the database.
How thick can a 10W or 40W laser cut wood?
A 10 W blue diode module cuts basswood plywood up to 5 mm in one pass (Snapmaker) or 5 to 6 mm (Bambu Lab). A 40 W module cuts 15 mm, and Snapmaker rates its 40 W at 20 mm pinewood in one pass. Bambu Lab rates bamboo at 3 mm (10 W) and 6 mm (40 W).
Bambu Lab’s laser module page gives these maximum cutting thicknesses:
| Material |
10 W module |
40 W module |
| Basswood plywood |
6 mm |
15 mm |
| Birch plywood |
6 mm |
15 mm |
| Bamboo board |
3 mm |
6 mm |
| Black acrylic |
3 mm |
15 mm |
| Cork sheet |
2 mm |
4 mm |
| Stainless steel |
0.05 mm |
0.1 mm |
Bambu Lab’s own figures disagree on the 10 W. The module page says 6 mm of basswood plywood, while the specification table and FAQ on the H2D product page say 5 mm. Bambu Lab does not state how many passes its maximums take. Its single-pass speed table runs to 6 mm basswood on the 10 W and 10 mm on the 40 W.
Snapmaker states passes. Its 10 W module needs two cutting jobs for 8 mm basswood, because one job cuts at most 5 mm. Its 40 W figures (15 mm basswood plywood, 20 mm pinewood) are for one pass.
Before choosing a power for wood, check the maker’s figure for the wood you will cut, not basswood. Bambu Lab rates bamboo at half or less of its basswood figure on both modules.
What materials can a printer laser combo cut?
Printer laser combos cut wood, plywood, MDF, bamboo, cork, paper, cardboard, felt, leather and some dark opaque acrylic. Glass, stone, ceramic and metal take engraving only. The one exception is stainless steel sheet up to 0.1 mm. Clear, white and blue acrylic cannot be processed at all, because the 455 nm blue light passes through them.
Bambu Lab and Snapmaker list these materials for their blue diode modules:
| Material |
Engrave |
Cut |
Maker notes |
| Wood, plywood, MDF, bamboo |
Yes |
Yes |
Thickness limits in the table above |
| Cork |
Yes |
Yes |
|
| Paper, cardboard, corrugated board |
Yes |
Yes |
|
| Leather and PU leatherette |
Yes |
Yes |
|
| Felt, fabric, canvas |
Yes |
Yes |
Bambu Lab lists denim and velvet as engrave only |
| Dark opaque acrylic |
Yes |
Yes |
Only some opaque acrylic works; Snapmaker excludes blue |
| Clear, white or blue acrylic |
No |
No |
The blue beam passes through |
| Stainless steel |
Yes |
Sheet up to 0.1 mm |
The makers’ own pages disagree (see below) |
| Anodized aluminum, painted or plated metal |
Yes |
No |
Bambu Lab calls anodized aluminum the best metal to mark |
| Glass |
Opaque or dark glass only |
No |
|
| Stone (slate, shale, marble), brick, ceramic |
Yes |
No |
|
| PVC sheet, vinyl, adhesive stickers |
No |
No |
Bambu Lab cuts these with its blade module only |
The stainless steel row carries a conflict. Bambu Lab’s module page and Snapmaker’s 40 W cutting list both rate stainless sheet up to 0.1 mm as cuttable. But Bambu Lab’s wiki says its 10 W and 40 W modules “cannot cut metals”. Snapmaker lists stainless cutting for the 40 W only.
Shiny metal is the other limit. Bambu Lab’s material guide says copper and brass take only shallow marks, and its troubleshooting FAQ says copper, gold and mirror materials cannot absorb the blue beam. Its safety guide warns that mirror-like surfaces can reflect the laser and damage the machine or injure the user.
Bambu Lab calls its list a reference: materials missing from it are not necessarily unprocessable. Some materials give off toxic gases under a laser, so check the guide to laser engraving fumes before cutting anything unlisted.
How much more does a 40 W laser module cost?
At launch, Bambu Lab’s H2D Laser Full Combo cost $2,799 with the 10 W module and $3,499 with the 40 W, a $700 gap. Snapmaker’s US store lists the Artisan at $2,099 (10 W) and the Artisan Premium at $2,499 (40 W). Bought alone, Snapmaker’s modules cost $189 and $679.
Bambu Lab’s EU store sells its modules alone at €269 (10 W) and €819 (40 W). A Bambu Lab H2D bought without the laser package also needs the Laser Upgrade Kit, which adds the laser safety windows and the air assist pump.
