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  4. K1 3.5W
Acmer K1 3.5W
Acmer K1 3.5WAcmer K1 3.5WAcmer K1 3.5WAcmer K1 3.5WAcmer K1 3.5WAcmer K1 3.5W
AcmerDiode laser engraver

Acmer K1 3.5W

Acmer K1 3.5W is a diode laser engraver released in 2025. Key specs: laser sources Blue diode (≈455 nm), laser output power 3.5 W, work area 150 × 150 mm, max engraving / travel speed 167 mm/s.

4.1Score
Power & cutting2.7
Speed3.5
Precision4.0
Work area3.9
Safety9.6
Features & ease of use2.9
price rangeUS$175–220
Year
2025
Brand
AcmerAcmer
Popularity
#157 of 406
Blue diode (≈455 nm)Laser sources
3.5 WLaser output power
150 × 150 mmWork area
167 mm/sMax engraving / travel speed
YesEnclosed (fully covered)
Spec guide

How it ranks among diode laser engravers of 2025

Compared with diode laser engravers released in 2025. Bars show the share of models it beats.

compared with other diode laser engravers

Why is K1 3.5W a good choice?

Weight: 2.4 kgbetter than 84% of diode laser engravers
Weak points
Laser output power: 3.5 Wworse than 91% of diode laser engravers
Work area (surface): 225 cm²worse than 76% of diode laser engravers
Max engraving / travel speed: 167 mm/sworse than 90% of diode laser engravers
Specifications

Full specifications

General
Laser sources
Blue diode (≈455 nm)
Motion system
Gantry (XY rails)
Two laser sources
No
Laser power
Laser output power
3.5 W
Work area
Work area
150 × 150 mm
Work area width (X)
150 mm
Work area depth (Y)
150 mm
Work area (surface)
225 cm²
Speed & cutting
Max engraving / travel speed
167 mm/s
Precision
Positioning accuracy
0.04 mm
Safety
Enclosed (fully covered)
Yes
Flame / fire detection
No
Features
Air assist
No
Built-in camera
No
Autofocus / auto height
No
Connectivity & software
Compatible software
LightBurn
LightBurn compatible
Yes
Size & power
Width
286 mm
Depth
273 mm
Height
190 mm
Weight
2.4 kg

Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.

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4.5
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4.4
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5.1
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4.2
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