Rock-solid and precise locking mechanisms
The U1 uses kinematic couplings with steel balls to precisely snap each print head into place and then locks it securely – no screws, no magnets, no extra motors. Locked in place, shear-proof and tested for over 1,000,000 cycles without a single failure.
Less waste means significant savings
So. A lot. of waste. On other 3D printers, printing a multi-color model leaves a mountain of waste – often 3 to 4 times more material than what actually ends up in the model itself! The U1 avoids this waste with intelligent tool changing, saving filament, saving money and even protecting the environment.
Smooth printing starts with smart calibration
When four toolheads are working at high speed, precision isn't optional—it's built in. The U1's compensation algorithms keep each toolhead perfectly synchronized, dampening vibrations, fine-tuning extrusion, and leveling the build plate, giving you the smooth, dimensionally accurate results you'd expect from a premium single-head printer.
Tool head offset calibration
The U1 automatically aligns each tool head relative to the main nozzle, keeping the offset below 0.04 mm[4] to ensure sharp prints without vertical offsets.

Vibration compensation for consistent prints
Input Shaping, supported by a precise accelerometer sensor, reduces vibrations caused by rapid changes in direction by pre-processing motion commands to offset resonant frequencies. By adjusting acceleration profiles and introducing calculated delays, surface defects such as ghosting or waves are prevented, allowing the U1 to deliver clean edges, smooth walls and sharp details – even at high speeds.

Fine-tuned extrusion for exquisite details
The U1 uses Pressure Advance to stay ahead of filament flow delays, especially during fast movements or sharp corners. It adjusts the extrusion timing based on changes in motion, so the filament flows smoothly even when the speed varies. The result is fewer blobs, less thinning, and sharp, consistent detail.
The first layer is also important
The automatic mesh leveling of the build plate ensures a flat and well-adhering first layer and creates the perfect foundation for every print.
Hassle-free filament management
The U1 comes with a super-compact automatic filament system that can hold up to four spools ready on standby. It handles everything from filament sensing to feeding, so you can print in vibrant colors without hassle.
Auto-feed
No more training, hassle or guesswork. Just hang the filament and let U1 do the rest.
Backup mode
When Backup Mode is enabled, the U1 automatically switches to a matching spool when one runs out, so you never have to worry about nearly empty reels.
RFID recognition
U1 uses RFID to record specifications like color, type, and more for Snapmaker official filaments – no typing required.

Manage your prints easily
Snapmaker Orca builds on the powerful engine of Orca Slicer, adding engineer-tested profiles for official materials and machine models. Together with the Snapmaker App, you can start, monitor, and control your prints from anywhere—and even record time-lapse videos to revisit your creation in motion. Easy print management is at your fingertips.

Error recording and warnings
With a combination of more than a dozen sensors and precision mechanics, the U1 automatically detects problems and guides you through quick solutions, so your prints always come out smooth and successful.

Catch the highlights, skip the messy moments
The built-in camera isn’t just for time-lapse footage. Starting with an OTA firmware update scheduled for December 2025[5], its AI will be able to detect tangled threads and obstacles in the work area and notify you in the Snapmaker Orca or app, helping you avoid wasted time and material.
CoreXY system with 500 mm/s speed
The U1 is built on a CoreXY motion system with lightweight, rigid carbon fiber X-axis rails that deliver speeds of up to 500 mm/s and maintain long-term precision in a 270 × 270 × 270 mm work area.

Specifications

| Category | Specification |
|---|---|
| Generally | |
| Dimensions | 584mm × 499mm × 730mm |
| Weight | 18.2 kg |
| Print properties | |
| Printing technology | Fused Deposition Modeling (FDM) |
| Construction volume | 270mm × 270mm × 270mm |
| Max. tool head speed | 500 mm/s |
| Max acceleration speed | 20,000 mm/s² |
| Tool head | |
| Included tool heads | 4 |
| Max flow to hotend | 32 mm³/s[6] |
| Nozzle | Stainless steel |
| Max. nozzle temperature | 300°C |
| Nozzle diameter | 0.4mm |
| Filament diameter | 1.75mm |
| Part Cooling | Main & auxiliary fans for partial cooling |
| Building board | |
| Plate | Flexible steel sheet with PEI surface |
| Max. heated building board temperature | 100°C |
| Supported filament types | |
| Basic filament | PLA, PETG, TPU, PVA, PCTG |
| With optional top cover | PLA, PETG, TPU, PVA, PET, ABS, ASA, PA, PC |
| With top cover & hardened steel nozzle | PLA, PETG, TPU, PVA, PET, ABS, ASA, PA, PC, carbon fiber reinforced polymer, glass fiber reinforced polymer |
| Electronics | |
| Touchscreen | 3.5" 320 × 480 touchscreen |
| Data transmission | Wi-Fi (IEEE802.11b/g/n, 2.4 GHz), USB stick |
| Warehouse | 26GB eMMC |
| Live View Camera | 2 MP built-in camera |
| Max input power | 1150 W (220-240 V~), 400 W (100-120 V~) |
| Max input current | 6 A (220-240 V~), 4 A (100-120 V~) |
| Auto-calibration | |
| Heated building board leveling | Mesh Bed Leveling |
| Active vibration control | Accelerometer & Input Shaping Calibration |
| Automatic flow compensation | Pressure Advance Calibration |
| Automatic tool head offset calibration | Supported |
| Coordinate measurement | Supported |
| Automatic filament system | |
| Auto-feed | Supported |
| Backup Mode | Supported |
| Filament RFID recognition | Supported |
| Error detection | |
| Air Printing Detection | Supported |
| Filament Run Out Detection | Supported |
| Power Loss Recovery | Supported |
| Anomaly Detection | Toolhead Swap Error Detection, Build Plate Presence & Obstruction Detection |
| Software | |
| Supported Slicers | Snapmaker Orca, OrcaSlicer |
| APP | Snapmaker APP |
| Operating system – Software | Windows, macOS, Linux |
| Control system – APP | Android, iOS |
| Firmware | Cliff |

1. Snapmaker U1 3D Printer (Textured PEI Steel Sheet) × 1
2. Tool and accessory box × 1[8]
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




