Ultrasonic Cutting Knife DIY Electric Cutter for Plastic Resin 3D Prints

Make detailed cuts, trims and carvings with this cordless ultrasonic cutting knife, designed for precision work across plastics, resin, 3D prints and other craft materials. Its 40kHz ultrasonic operation, adjustable power and compact aluminium alloy body make it a versatile tool for hobbyists, makers and DIY projects.

Key Features

• 40kHz Ultrasonic Cutting – High-frequency operation helps make clean, controlled cuts through suitable materials.
• 30W Cutting Power – Provides practical cutting performance for detailed DIY and crafting applications.
• Cordless Design – Powered by a rechargeable lithium battery for convenient handling without a trailing power cable.
• Adjustable Power Levels – Lets you fine-tune cutting performance according to the material and task.
• Automatic Frequency Tracking – Helps maintain consistent ultrasonic operation during use.
• Digital Display – Shows the current operating level and battery status for easy monitoring.
• LED Work Light – Illuminates the cutting area to improve visibility when working on detailed projects.
• Replaceable Blades – Supports blade replacement for continued use across different projects.
• Aluminium Alloy Construction – Lightweight, sturdy housing provides a comfortable and durable handheld tool.
• Non-Slip Silicone Grip – Helps provide a secure hold while also offering added heat insulation around the handle.
• Automatic Safety Shut-Off – Automatically stops operation after approximately five minutes of continuous use to allow the tool to cool before restarting.
• Wide Material Compatibility – Suitable for 3D printing resin, plastic, acrylic, rubber, leather, felt, EVA, cardboard, MDF, plywood, bamboo and other compatible materials.
• USB-C Charging – Convenient charging through a widely used USB-C connection.
• Comprehensive Accessory Kit – Includes replacement blades, scraper, file, finger cots and storage accessories.

Specifications

• Product Type: Handheld Ultrasonic Cutting Knife
• Model: U2
• Ultrasonic Frequency: 40,000Hz
• Power: 30W
• Battery: 18650 Lithium Battery
• Battery Capacity: 3200mAh
• Battery Voltage: 4.15V
• Charging Port: USB-C
• Power Adjustment: Supported
• Automatic Frequency Tracking: Supported
• Blade Replacement: Supported
• Display: Digital Battery and Operating Level Display
• Work Light: LED
• Material: Aluminium Alloy
• Grip: Silicone Anti-Slip Sleeve
• Dimensions: 245 × 34 × 33mm
• Net Weight: Approx. 350g
• Package Weight: Approx. 600g
• Suitable Applications: DIY, Crafting, Handworking, Model Making and 3D Printing
• Compatible Materials: Resin, Plastic, Acrylic, Rubber, Leather, Felt, EVA, Cardboard, MDF, Plywood, Bamboo, Carbon Fibre Board and More

Package Contents

• 1 x Ultrasonic Cutting Knife
• 1 x Set of 15 Replacement Blades
• 5 x Cut-Resistant Finger Cots
• 1 x Scraper
• 1 x File
• 1 x Allen Wrench
• 1 x Blade Case
• 1 x USB-C Charging Cable
• 1 x Plastic Handle Cover
• 1 x Storage Bag
• 1 x Instruction Manual

What Makes This a Smart Buy:

Combining cordless convenience, adjustable power and high-frequency ultrasonic cutting in a compact 350g design, this tool is easy to handle for detailed DIY and crafting work. The generous accessory set and replaceable blades add practical versatility for ongoing projects.