Laser Master 3 (LM3) 20W vs iCube Ultra

Technical comparison · Diode laser (405–460 nm)

In brief

Laser Master 3 (LM3) 20W and iCube Ultra are two diode laser (405–460 nm) in a similar class. Choose Laser Master 3 (LM3) 20W if work area matters more; choose iCube Ultra if price matters more.

Parameter
Sculpfun iCube Ultra iCube Ultra Sculpfun F2 · Intermediate
Identity
Launch year 2023 2025
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) ~800–1050 € 599 €
Universal specs
Dimensions (W×D×H) (cm) 58 × 55 × 15 cm 33 × 36 × 29 cm
Work area (mm) 400 × 380 mm 150 × 150 mm
Z-axis height (mm) 80 mm
Power (W) 96 W
Voltage (V) 24 V
Maximum speed 20000 mm/min 10000 mm/min
Declared precision 0.01 mm 0.1 mm
Category specs
Short side area (mm) 380 mm 150 mm
Nominal laser power (W) 20 W 12 W
Laser source technology diode diode
Maximum travel speed (mm/s) 333.33 mm/s 166.67 mm/s
Maximum working speed (mm/s) 333.33 mm/s 166.67 mm/s
Cut depth per material 15mm Pine, 10mm Plywood, 8mm Black Acrylic 10 mm (legno di paulonia)
Laser wavelength (nm) 445 nm 455 nm
Minimum achievable resolution (µm) 12.5 µm 100 µm
Autofocus system module False True
Rotary module included False False
Passthrough structural slot True
Control software interface lightburn, other proprietary, lightburn, other
Ecosystem
Cloud dependency No No
Software notes Fully compatible with LightBurn and LaserGRBL via USB or Wi-Fi. It also offers the proprietary Ortur Laser Explorer app for controlling and sending jobs directly from a smartphone. The machine is compatible with major third-party software like LightBurn and can also be controlled via the proprietary Sculpfun app from mobile devices or PCs.

The differences that matter

  • Work area: Laser Master 3 (LM3) 20W 400×380 mm vs iCube Ultra 150×150 mm — Laser Master 3 (LM3) 20W wins (+576%)
  • Price: Laser Master 3 (LM3) 20W 925 € vs iCube Ultra 599 € — iCube Ultra wins (+54%)

Which one to choose

Choose Laser Master 3 (LM3) 20W if…

you value work area.

See the Laser Master 3 (LM3) 20W sheet →

Choose iCube Ultra if…

you value price.

See the iCube Ultra sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.