1. Product Overview
The SCULPFUN iCube Ultra Dual is a high-performance laser engraving and cutting machine designed for both beginners and experienced users. It features a dual-laser system, combining a 12W diode blue laser and a 1.2W infrared laser, allowing for versatile engraving and cutting on over 300 materials. The machine prioritizes safety with its Class 1 FDA compliance, fully enclosed design, and multiple protective features.

2. Safety Information
Please read and understand all safety instructions before operating the machine to prevent injury or damage.
General Safety Guidelines:
- Ensure the machine is placed on a stable platform during operation.
- Laser radiation can cause eye injury. Always wear safety goggles to protect your eyes from laser hazards.
- Do not move the machine or the engraving material while the machine is operating.
- Do not leave the machine unattended during operation.
- Minors must operate this product under the supervision and assistance of an adult.
- Do not disassemble any parts of the machine when it is powered on.
- Avoid touching electronic components with your hands or other tools.
Emergency Procedures:
Stop using the product and disconnect the power immediately if any of the following situations occur:
- A burnt smell is detected coming from the machine.
- An open flame is generated from the engraving material.
- The internal components of this product have been damaged.
- This product stops working unexpectedly.
- The product emits abnormal noises or flashes of light not previously observed.
Built-in Safety Features:
- Class 1 FDA Compliant: Designed to meet high safety standards.
- Temperature Sensor: Alarms and stops operation if the temperature is too high.
- USB Security Key: Provides security guarantees, preventing unauthorized operation.
- Safety Door: Stops instantly when opened, ensuring safety. This function is enabled by default.
- Emergency Stop Switch: For immediate shutdown in critical situations.
- Built-in Smoke Filter System: Equipped with a high-efficiency smoke filtering system to prevent pungent smoke odors.
- Flame Alarm: Triggers at 60℃.
- Tilt Sensor: Triggers at 15° tilt.
Safety Door Function Configuration:
The 'Safety Door' function is enabled by default. You can configure its settings by entering the following commands in the LightBurn console:
$safe=0: Disables the 'Safety Door' function, allowing operation without the protective cover. Always wear goggles for safety protection if disabled.$safe=1: Enables the 'Safety Door' function. The machine will not start engraving unless the protective cover is properly installed.
Warning and Indicator Labels:
Warning and indicator labels are placed in areas where potential hazards may occur. Replace any damaged or missing labels immediately.

3. Packing List
Please check the contents of your package against the list below:
- 1x iCube Ultra machine body
- 1x 12W 455nm Diode Laser Module
- 1x 1.2W 1064nm Infrared Laser Module (Dual Version Only)
- 1x Data Cable
- 1x Power Adapter
- 1x Tool Kit
- 1x Laser Repair Kit
- 1x Protective Glasses
- 1x Plywood Sample
- 1x MDF Sample
- 1x Smoke Exhaust Pipe
- 1x Flange
- 1x Hose Clamp

4. Machine Introduction and Components
Familiarize yourself with the various parts and functions of your iCube Ultra Dual machine.

Main Components:
- RGB Indicator Light: Displays machine status.
- Temperature Alarm Sensor: Monitors internal temperature for safety.
- RA Mini Rotary Attachment Port: For connecting rotary accessories (sold separately).
- Multi-Function Button: Controls various operations.
- Auto Focus Button: Initiates the automatic focusing process.
- Power Port: For connecting the power adapter.
- Camera Port: For connecting an optional camera (accessories sold separately).
- Type-C PC Port: For connecting to a computer.
- Power Switch: Turns the machine on/off.
Additional Ports and Switches:
- A: Air Assist Hose Hole: Reserved for air assist hose (accessories sold separately).
- B: USB Dongle Port: For the USB security key.
- C: Automatic Air Pump Port: For connecting an automatic air pump (accessories sold separately).
- D: Emergency Stop Switch: For immediate shutdown.
Button Functions:
- Multi-Function Button:
- During engraving: Click to pause/resume.
- In standby mode: Press and hold for 3 seconds to reset.
- Double-click to engrave the last file uploaded from the mobile APP.
- Auto Focus Button:
- During operation: Press and hold for 3 seconds to stop engraving.
RGB Indicator Light Status:
- Green: Standby Mode
- Blue: In Operation
- Yellow: Engraving Completed / Fault elimination
- Red: Malfunction
5. Installation and Setup
The iCube Ultra Dual is designed for quick and easy setup. Follow these steps to get started:
- Unpacking: Remove the protective cover and foam padding from the machine.
- Base Plate Removal: Remove the base plate if necessary for certain operations or maintenance.
- Laser Head Installation: Lay the machine on its side and carefully install the laser head into its designated slot.
- Secure Laser Head: Secure the laser head at the proper position. Ensure it is not installed too high, as this will prevent proper focusing.
- Connect Terminal Cable: Insert the terminal cable into the laser head.
- Power Connection: Connect the power adapter to the Power Port (6) and plug it into an electrical outlet.
- USB Security Key: Insert the USB security key into the USB Dongle Port (B). The machine will not operate without it.

6. Operating Instructions
Software Compatibility:
The SCULPFUN iCube Ultra Dual is compatible with various operating systems and software:
- Operating Systems: Windows (7/8/10/11), MacOS, iOS, Android, Linux.
- Slice Software: LightBurn, LaserGRBL.
- Mobile App: Sculpfun APP (iOS/Android).
Mobile APP Download (SCULPFUN Control Software):
The SCULPFUN Control Software (Mobile APP) is recommended for its easy device connection and simple operation.

Scan the QR code below to download the SCULPFUN Control Software (Mobile APP):

PC Software Download (LightBurn):
LightBurn is an unofficial software that requires a separate purchase. You can download a trial version from their website.
- Download Link: https://lightburnsoftware.com/pages/download-trial
LightBurn Setup Steps:
- Open the LightBurn software and select Devices > Create Manually.
- Choose GRBL, USB.
- Fill in the working area size according to your machine model (iCube Ultra Dual: 150x135mm).
Engraving and Cutting Process:
- Material Placement: Place your material within the engraving area. The machine supports a maximum processing height of 80mm.
- Auto Focus: Press the Auto Focus Button (5) for quick focusing without manual adjustments.
- Design Upload: Upload your design via the Sculpfun APP (Bluetooth control) or PC software (USB connection).
- Start Operation: Initiate the engraving/cutting process. The RGB Indicator Light (1) will show the machine's status (Blue for In Operation).
- Monitoring: Monitor the process. The built-in smoke filter system will help manage smoke and odors.
- Completion: Once complete, the RGB Indicator Light will turn Yellow.
Material Compatibility:
The dual laser system allows for precise engraving on over 300 materials:
- 1.2W Infrared Laser: Ideal for Stainless Steel, Plastic, Aluminum Alloy, Ceramic.
- 12W Diode Laser: Ideal for Leather, Wood, Acrylic, Brass, Bamboo, Stone, Silicone case, Paper.

Advanced Features:
- Semi-open Structure Design: Allows engraving both inside the machine and directly on the surface of larger objects.
- Expandable Functionality: Reserved interfaces support optional add-ons like a camera, air pump, and rotary roller (sold separately).

7. Maintenance
Laser Lens Replacement:
The iCube Ultra series features an innovative laser head with replaceable lenses. If the lens becomes damaged or dirty after long-term use, it can be replaced to restore cutting and engraving efficiency. Refer to the Laser Repair Kit for instructions and components.
Smoke Filter Maintenance:
The built-in smoke filter system includes a strong suction fan, smoke dust filter, and activated carbon smell filter. Regularly check and clean or replace these filters to maintain optimal smoke and odor removal performance.

8. Troubleshooting
If you encounter any issues, refer to the following common problems and solutions:
- Machine Not Starting: Ensure the USB security key is inserted, the power switch is on, and the Safety Door is properly closed. Check the RGB Indicator Light for status (Red indicates malfunction).
- Engraving/Cutting Issues: Verify the laser head is securely installed and properly focused (use Auto Focus). Check material compatibility and ensure correct laser module is selected for the material.
- Overheating: The Temperature Alarm Sensor will stop operation if the machine overheats. Allow the machine to cool down and ensure proper ventilation.
- Abnormal Smells/Smoke: Ensure the built-in smoke filter system is clean and functioning correctly.
- Software Connection Problems: Verify USB cable connection to PC or Bluetooth connection to mobile app. Ensure correct drivers are installed for PC software.
For more detailed troubleshooting guides, including unboxing and first use, and specific issues with the SCULPFUN APP, please refer to the online manual by scanning the QR code in the Warranty/Support section.
9. Specifications
| Feature | Specification (iCube Ultra Dual) |
|---|---|
| Brand Name | SCULPFUN |
| Model | iCube Ultra Dual |
| Laser Power | 12W (455nm Diode) + 1.2W (1064nm Infrared) |
| Laser Spot Size | 0.08mm (Diode) / 0.03mm (Infrared) |
| Engraving Area | 150mm x 135mm |
| Maximum Working Speed | 36000mm/min (Engraving efficiency up to 10000mm/min) |
| Precision | 0.1mm |
| Product Size | 335mm x 357mm x 289mm |
| Product Weight | 8.5 KG |
| Working Voltage | DC24V |
| Working Current | 6A |
| Wavelength | 450nm±5nm (Diode) / 1064nm (Infrared) |
| Compatible Systems | Win7/Win8/Win10/Win11/MAC/IOS/Android/Linux |
| Slice Software | LightBurn/LaserGRBL |
| File Format | NC, BMP, JPG, PNG, DXF etc. |
| Wireless Connectivity | Bluetooth 4.2, WiFi 2.4Ghz |
| Auto Leveling / Focus | Yes |
| Safety Features | Class 1 FDA, Temp Sensor, USB Security Key, Safety Door, E-Stop, Smoke Filter, Flame Alarm (60℃), Tilt Sensor (15°) |
| Supported Languages | English/German/French/Italian/Spanish/Portuguese |
| Certification | CE |
| Origin | Mainland China |
| Package Weight | 8.5 kg |
| Packaging Dimensions | 430mm x 405mm x 350mm |
For a detailed comparison between iCube Ultra and iCube Ultra Dual models, please refer to the table below:

10. User Tips
- Engraving Glass: For best results when engraving glass, it is recommended to stick colored paper onto the glass surface before engraving.
- Engraving Metal: To engrave certain metals, an additional purchase of a red laser head may be required. The included 1.2W infrared laser is suitable for many metal engraving tasks, but specific metals might benefit from a dedicated red laser.
- Laser Power: The iCube Ultra Dual comes with a 12W diode laser and a 1.2W infrared laser. These are the specified powers for the included modules.
11. Warranty and Support
Customer Service:
For detailed warranty policy, please visit our official website:
For technical support and service, please email:
Manufacturer Information:
Shenzhen Sculpfun Technology Co., Ltd.
Zip code: 518000
Address: Room 401, Building 13, No. 140, Guanlan Avenue, Sihe Community, Fucheng Street, Longhua District, Shenzhen City, China
Online Manual and Resources:
Scan the QR code below to access the online manual for more information, including unboxing, first use, SCULPFUN APP usage, troubleshooting, and maintenance.

A PDF version of the user manual is also available for download: User Manual (PDF)