A budget open frame cutter for garage makers who want high power on a big bed and can set up their own safety and ventilation.
Amazon $800.75The Twotrees TS2 40W is the better laser engraver overall, rated 3.8 to 3.2. The Twotrees TS2 40W leads on value and warranty. The Sculpfun SF-A9 40W wins on features. The Twotrees TS2 40W costs $758.25 less ($800.75 vs $1,559).
For hobbyists who want 40 W of cutting power with air assist in an open frame. The Amazon bundle price is high next to rivals.
Amazon $1,559Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Twotrees TS2 40W for value ($20.02 per optical watt ($800.75, 40 W) vs $38.98 per optical watt ($1,559, 40 W)) and warranty (2-year warranty vs 1-year warranty).
- Choose the Sculpfun SF-A9 40W for features (air assist vs none of the four).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every diode laser engraver; a clear win is highlighted. How we rank explains each one.
| Factor weight | Twotrees TS2 40W | Sculpfun SF-A9 40W |
|---|---|---|
| Overall rating | 3.8/5 | 3.2/5 |
| Value 35% | 85 $20.02 per optical watt ($800.75, 40 W) | 50 $38.98 per optical watt ($1,559, 40 W) |
| Work area 15% | 100 450 x 410 mm work area | 100 400 x 400 mm work area |
| Features 30% | 0 none of the four | 25 air assist |
| Warranty 20% | 100 2-year warranty | 50 1-year warranty |
Specifications
| Twotrees TS2 40W | Sculpfun SF-A9 40W | |
|---|---|---|
| Laser | ||
| Type | Diode | Diode |
| Optical power | 40 W | 40 W |
| Work area | 450 x 410 mm | 400 x 400 mm |
| Maximum speed | 100 mm/s | 600 mm/s |
| Features | ||
| Enclosed | No | No |
| Camera | No | No |
| Air assist | - | Yes |
| Autofocus | - | No |
| Warranty | 2 years | 1 year |
