Snapmaker U1 Toolchanger 3D Printer
Snapmaker U1 is THE Tool-changer 3D Printer, designed to make multicolour and multi-material printing faster, cleaner, and easier. Its four independent toolheads swap in just five seconds, supporting combinations of rigid and flexible materials, as well as multiple TPU colours and hardness levels. Paired with the optional Top Cover, U1 also supports high-temperature engineering materials such as ABS and ASA. By minimising purging, it reduces filament waste by up to 80%. With high-speed CoreXY motion, automatic calibration, and intelligent print monitoring, U1 delivers reliable results with minimal setup—giving makers the freedom to make more and waste less.
Key Features:
THE Consumer Toolchanger 3D Printer: Bring professional tool changing technology to your desktop. Snapmaker U1 combines four independent toolheads, high-speed CoreXY motion, intelligent calibration, and easy filament management in one accessible system. Making advanced multi-color and multi-material 3D printing easier for everyday creators.
SnapSwap™ 4-Toolhead System with Direct Swaps in 5s[1]: Four independent, preheated toolheads keep different colours or materials ready to print at any times. Instead of unloading, reloading, and purging filament through a shared nozzle, SnapSwap™ switches the complete toolhead in just 5 seconds[1] for faster, cleaner, and more efficient transitions.
Up to 5× Faster with 5× Less Waste: Spend more time printing and less time purging filament. By switching entire toolheads instead of repeatedly flushing a single nozzle, U1 dramatically reduces the time and material typically wasted during multi-color printing. Delivering up to 5× faster printing with significantly less waste.
Multi-Color & Multi-Material Freedom: Create beyond single-color prints with four independently loaded toolheads. Combine multiple colours, rigid and flexible filaments, soluble support materials, and other compatible materials in one project to unlock more functional, expressive, and complex designs.
Smart Calibration and Compensation: U1 automates key calibration tasks including bed leveling, vibration compensation, flow adjustment, pressure advance, and toolhead offset calibration. These intelligent corrections help maintain precise alignment, smooth surfaces, and consistent print quality with less manual tuning.
Effortless Filament Management: Keep up to four filament spools loaded and ready to go. Auto-loading simplifies filament setup, while Backup Mode can automatically switch to a matching spool when the current one runs out, helping long prints continue with fewer interruptions.
Up to 500 mm/s Speed and 20,000 mm/s² Acceleration: Powered by a compact CoreXY motion system, U1 reaches printing speeds of up to 500 mm/s and acceleration of up to 20,000 mm/s². Get prototypes, functional parts, and multi-color models finished faster without giving up the precision needed for detailed prints.
270 mm Cubed Build Volume: A spacious 270 × 270 × 270 mm build volume gives you plenty of room for larger creations, multi-part projects, or multiple models in a single print job. Produce more in each run while taking full advantage of U1’s four-toolhead workflow.
Unlock High-Temp Engineering Materials with the Optional Top Cover: Add the optional Top Cover to create a more controlled enclosed printing environment. This expands U1’s capabilities for demanding engineering materials and high-temperature applications, including materials such as ASA and PAHT-CF, giving you greater freedom to produce strong, functional parts.
[1] This is a typical result from Snapmaker Lab tests and is for reference only.
Specification:
Printing Properties
Printing Technology: Fused Deposition Modeling (FDM)
Build Volume: 270 mm × 270 mm × 270 mm
Maximum Toolhead Speed: 500 mm/s
Maximum Acceleration: 20,000 mm/s²
Toolhead
Toolheads Included: 4
Maximum Hot-End Flow Rate: 32 mm³/s
Nozzle
Nozzle Material: Stainless Steel
Maximum Nozzle Temperature: 300°C
Nozzle Diameter: 0.4 mm
Filament Diameter: 1.75 mm
Part Cooling
Cooling System: Main and Auxiliary Part-Cooling Fans
Heated Bed
Build Plate: Flexible Steel Sheet with PEI Surface
Maximum Heated Bed Temperature: 100°C
Supported Filament Types
Basic Material Compatibility: PLA, PETG, TPU, PVA, PCTG
With Optional Top Cover: PLA, PETG, TPU, PVA, PET, ABS, ASA, PA, PC
With Top Cover and Hardened Steel Nozzle: PLA, PETG, TPU, PVA, PET, ABS, ASA, PA, PC, Carbon-Fiber-Reinforced Polymers, Glass-Fiber-Reinforced Polymers
Electronics
Touchscreen: 3.5-inch, 320 × 480 Touchscreen
Data Transmission Methods: Wi-Fi (IEEE 802.11 b/g/n, 2.4 GHz), USB Flash Drive
Storage: 26 GB eMMC
Live-View Camera: 2-Megapixel Built-In Chamber Camera
Maximum Input Power: 1,150 W at 220–240 V AC; 400 W at 100–120 V AC
Maximum Input Current: 6 A at 220–240 V AC; 4 A at 100–120 V AC
Auto-Calibration
Heated Bed Leveling: Mesh Bed Leveling
Active Vibration Control: Accelerometer and Input Shaping Calibration
Automatic Flow Compensation: Pressure Advance Calibration
Automatic Toolhead Offset Calibration: Coordinate Measuring Calibration
Automatic Filament System
Automatic Filament Feeding: Supported
Backup Mode: Supported
Filament RFID Recognition: Supported
Failure Detection
Air Printing Detection: Supported
Filament Run-Out Detection: Supported
Power Loss Recovery: Supported
Anomaly Detection
Toolhead Swap Error Detection: Supported
Build Plate Presence Detection: Supported
Build Plate Obstruction Detection: Supported
Software
Supported Slicers: Snapmaker Orca, OrcaSlicer
Mobile Application: Snapmaker App
Desktop Operating Systems: Windows, macOS, Linux
Mobile Operating Systems: Android, iOS
Firmware
Firmware Platform: Klipper
What is in the box
1. Snapmaker U1 3D Printer (Textured PEI Steel Sheet) × 1
2. Tool and accessory box × 1
3. Toolhead with hot end × 4
4. SnapSpeed PLA Filament × 4
5. Filament holder × 4
6. Safety Guidelines × 1
7. Quick Start Guide × 1
8. Filament feeder × 2
9. Waste collector × 1
10. Toolhead cable × 4
11. AC power cable × 1
