For multicolor via a tool changer
Snapmaker U1
An FDM printer with 4 interchangeable toolheads and a 270 × 270 × 270 mm build volume, for multicolor without a spool-based AMS system.
In short The Snapmaker U1 is an open-frame filament (FDM) 3D printer with a 270 × 270 × 270 mm (10.6 × 10.6 × 10.6 in) build volume. Snapmaker claims a 500 mm/s top speed, a 300 °C (572 °F) nozzle and a 100 °C (212 °F) bed; the printer measures 584 × 499 × 730 mm (23 × 19.6 × 28.7 in) and weighs 18.2 kg (40.1 lb).
Documentary analysis · Not personally tested
FDM · Open frameWhy consider it?
A 4-head tool changer included from the base configuration, an alternative to a spool-based AMS system for multicolor printing.
What to verify
Open frame by default: the cover needed for technical materials (ABS, ASA, PA) is a separate accessory.
Snapmaker U1 specifications
- Technology
- Filament (FDM)
- Build volume
- 270 × 270 × 270 mm (10.6 × 10.6 × 10.6 in)
- Printer dimensions
- 584 × 499 × 730 mm (23 × 19.6 × 28.7 in)
- Weight
- 18.2 kg (40.1 lb)
- Enclosure
- Open frame
- Claimed top speed
- 500 mm/s
- Claimed acceleration
- 20,000 mm/s²
- Max nozzle temperature
- 300 °C (572 °F)
- Max bed temperature
- 100 °C (212 °F)
- Nozzles
- 4 (multi-nozzle)
- Multicolor
- 4 print toolheads included, automatic tool changer for up to 4 colors or materials.
- Materials
- PLA, PETG, TPU, PVA, and PCTG in standard use per Snapmaker; ABS, ASA, PA, PC, PET with the optional cover; CF/GF composites with a hardened nozzle.
- Screen
- 3.5-inch touchscreen
- Built-in camera
- Yes
- Connectivity
- Wi-Fi, USB
- Listed features
- Auto bed leveling, filament runout sensor
How much space does it need?
The Snapmaker U1 measures 584 × 499 × 730 mm (23 × 19.6 × 28.7 in) for a 270 × 270 × 270 mm (10.6 × 10.6 × 10.6 in) build volume: the dashed box is the printer, the solid cube the largest theoretical part, about 9% of the machine’s volume. Add room for the spool or multicolor unit, cables and ventilation.
Source: official Snapmaker pages (snapmaker.com), checked September 28, 2026. Manufacturer claims, not our measurements. Build volume is nominal: orientation, supports and reserved zones can reduce the usable space.
Compare the Snapmaker U1
Which projects is it for?
The U1 is an open-frame FDM printer with a build volume of 270 × 270 × 270 mm per Snapmaker, fitted with 4 automatically interchangeable toolheads. It targets multicolor and multi-material printing without the usual purge waste of a spool-based AMS system.
The tool changer also lets you combine different nozzle diameters or a support material on the same part, a use case similar to a higher-end tool changer like the Prusa XL, but in a more compact format.
Materials and setup
Snapmaker lists compatibility with PLA, PETG, TPU, PVA, and PCTG in standard configuration, with a hotend up to 300°C and a heatbed up to 100°C. Adding the optional cover extends compatibility to ABS, ASA, PA, PC, and PET.
With the cover and a hardened nozzle, the machine also lists compatibility with carbon- or glass-fiber composites, a combination worth checking precisely depending on the configuration purchased.
What the bundle includes or not
Per Snapmaker's listing, the 4 print toolheads and the 3.5-inch touchscreen are included in the base configuration, without the cover or hardened nozzle needed for technical materials.
The technical-material cover and hardened nozzles remain separate accessories. Before buying, check precisely what a listing includes rather than relying on the product photo alone, especially regarding accessories included during the crowdfunding campaign.
Alternatives to compare
For a larger format from the same maker, the Artisan combines 3D printing, laser, and CNC inside an enclosure included as standard, while the J1s relies on IDEX dual extrusion rather than a tool changer.
The multicolor buying guide helps compare a tool changer like the U1's against a spool-based AMS or MMU system.
Similar printers to compare
Sources and limits
- Source: official Snapmaker pages (snapmaker.com), checked September 28, 2026. Manufacturer claims, not our measurements.
- How we assess specifications
We have not measured noise, real printing speed, accuracy or reliability, so none of these is rated here.