【3D Printing】Affordable Multicolor Printing! Snapmaker U1 Unboxing
Snapmaker U1: An affordable, easy-to-operate 3D printer with an automatic tool changer.
For multi-material 3D printing, automatic nozzle-changing devices are a new generation of products, as each spool has its dedicated filament path and tool head.
This greatly reduces color change time, requires almost no filament cleaning, and allows you to print with multiple materials simultaneously.
Compared to previous products, Snapmaker has completely redesigned the U1.
This machine uses Klipper and OrcaSlicer software, addressing many pain points that existed in previous Snapmaker machines.
Automatic nozzle changers are complex mechanical systems, and prior to this, their price remained quite high for many consumer-level makers.
Snapmaker has introduced the U1, a machine everyone has dreamed of.
Unboxing
The Snapmaker U1 is slightly larger than average, with a print size of 270 x 270 x 270 mm, and is only sold with all four tool heads.
It requires almost no assembly. You simply install the tool heads and spool holders, then connect the tubes and cables. Its assembly method is no different from any other modern Core XY printer.
Unlike previous Snapmaker 3D printers, the U1's packaging material is very streamlined, containing only a basic set of tools, accessories, and a spare nozzle.
This machine has a stylish and modern design.
The X-axis uses carbon fiber rods, making it flexible; lightweight parts also effectively reduce costs.
Die-cast aluminum and sheet metal are used where needed to ensure machine precision.
The Snapmaker U1 features a steel nozzle that easily handles abrasive materials and can reach temperatures up to 300°C. With a 100°C heated bed and optional top cover, the U1 can handle almost any material.
The machine body adopts a semi-enclosed design with a transparent back panel and front door.
The U1 is equipped with a "chamber" thermometer to monitor internal temperature, but currently has no active heating function.
The U1's spools are mounted in pairs on both sides of the machine and are equipped with an automatic feeding system that transports filament through ultra-wide tubes to the tool head.
This makes loading extremely convenient. Since the filament is always loaded during use, no reverse feeding system is needed; you only need to manually remove the filament.
This not only saves costs but also reduces a potential point of failure. The spool holders have spring arms for clamping the spools, but they rotate freely without motor drive.
The U1's PEI-coated flexible print platform is double-sided and very thick.
The magnets fixed to the heated bed are also super strong—this platform will definitely not come loose.
When not in use, the tool heads are stored at the rear of the machine, next to a debris tray for collecting small fragments generated during filament loading.
Each tool head is a complete system, equipped with an independent scraper and nozzle pad to prevent filament overflow.
The tool heads maintain their temperature as needed, so the delay between tool head changes is short, only about 10 seconds, even including nozzle preheating time.
Usage
The Snapmaker U1 uses an eddy current sensor to calibrate the tool heads.
This means that tool head calibration is completely hands-free and highly accurate.
If you want to save time, you can disable the automatic pre-print leveling function.
The Snapmaker U1 uses the open-source Orca Slicer slicing software, which is a good thing.
This software is a branch of Bambu Slicer (which itself is based on PrusaSlicer) and has a good reputation.
For those who have used modern 3D printers, Orca Slicer's interface should be familiar, and it's easy for beginners to get started.
The U1 also has a LAN mode, and if you want to skip cloud services, it can also run Klipper, giving you full access to the Fluid interface.
The Snapmaker U1 has a fully hands-free automatic leveling calibration system.
It also uses eddy current sensors for tool head alignment, so no special calibration steps are needed.
Once set up, the machine will perform a full calibration, including an input shaping vibration test.
Loading filament in the Snapmaker U1 is incredibly simple, convenient, and automatic.
If the tool head is empty, simply place the spool on the holder and insert the end of the filament into the feed port.
Snapmaker branded filaments come with RFID tags that automatically select the correct type and color.
Third-party filaments need to be manually identified on the touchscreen.
There is a convenient guide on the screen that you can follow if you need help.
Conclusion
The Snapmaker U1 is definitely the affordable multicolor 3D printer consumers have long awaited.
It combines speed, precision, and material cost savings.
Snapmaker has clearly completely redesigned the U1, as it bears almost no resemblance to its predecessors.
The U1 uses open-source Klipper and OrcaSlicer slicing software, addressing many issues users encountered with the Artisan and J1 series.
In terms of performance, the U1 can print clean, colorful models faster, thanks to its tool changes that take only a few seconds, compared to minutes for other printers.
The U1's retail price offers excellent value, saving time and materials for advanced users.
The U1's reliability and ease of use make it one of the best multicolor 3D printers on the market.
| Build Volume | 270 x 270 x 270 mm (10.6 x 10.6 x 10.6 in) |
|---|---|
| Materials | PLA / PETG / TPU (Max. temperature resistance 300°C) |
| Extruder Type | Direct drive tool changer |
| Nozzle | 0.4 mm proprietary stainless steel nozzle |
| Build Plate | Textured PEI steel flexible plate (heated) |
| Bed Leveling | Automatic + Z-axis height calibration |
| Filament Run-out Sensor | Yes |
| Connectivity | USB, LAN, Wi-Fi |
| Interface | 3.5-inch color touchscreen |
| Machine Footprint | 584 x 499 x 730 mm (22.9 x 19.6 x 28.7 in) |
| Machine Weight | 18.2 kg (40.1 lbs) |
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