For fast IDEX dual extrusion
Snapmaker J1s
An enclosed FDM printer with independent dual extrusion (IDEX), a 300 × 200 × 200 mm build volume, and speeds up to 350 mm/s per Snapmaker.
In short The Snapmaker J1s is an enclosed filament (FDM) 3D printer with a 300 × 200 × 200 mm (11.8 × 7.9 × 7.9 in) build volume. Snapmaker claims a 350 mm/s top speed.
Documentary analysis · Not personally tested
FDM · EnclosedWhy consider it?
Independent dual extrusion with copy and mirror modes to double output, inside an enclosure included as standard.
What to verify
Usable volume changes with the mode selected: 300 × 200 × 200 mm in standard mode, reduced in copy or mirror mode.
Snapmaker J1s specifications
- Technology
- Filament (FDM)
- Build volume
- 300 × 200 × 200 mm (11.8 × 7.9 × 7.9 in)
- Enclosure
- Enclosed
- Claimed top speed
- 350 mm/s
- Claimed acceleration
- 10,000 mm/s²
- Nozzles
- 2 (multi-nozzle)
- Multicolor
- IDEX dual nozzle with copy and mirror modes; no spool-based AMS system.
- Materials
- PLA, PETG, ABS, nylon (PA/PA-CF/PA-GF), PC, TPU, PVA, and soluble supports per Snapmaker.
- Screen
- 5-inch touchscreen
Source: official Snapmaker pages (shop.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.
Which projects is it for?
The J1s is an enclosed FDM printer with independent dual extrusion (IDEX), a build volume of 300 × 200 × 200 mm per Snapmaker, and speeds advertised up to 350 mm/s. It targets a workshop that wants to produce fast, with two nozzles able to work together or separately.
Copy mode prints two identical parts at once, and mirror mode prints two symmetrical parts in a single pass, particularly useful for small batches or matched pairs like left/right brackets or shoe soles.
Materials and setup
Snapmaker lists compatibility with PLA, PETG, ABS, nylon (PA, PA-CF, PA-GF), PC, TPU, PVA, and soluble supports, with a hotend up to 300°C and a heatbed up to 100°C inside an enclosure with pre-installed panels.
The dual extruder also enables soluble supports on a complex part, one nozzle handling the model and the other the support, with no spool-based AMS system for advanced multicolor.
What the bundle includes or not
Per Snapmaker's listing, the enclosure's doors and side panels ship pre-installed, with a dual-sided PEI plate included and swappable hotends.
Soluble support material and spare nozzles should be checked precisely against the specific listing; some accessories vary between the standard version and retailer bundles. The easy-swap hotend design also means routine maintenance and nozzle changes can be handled without a full teardown of the print head.
Alternatives to compare
For a larger format combining printing, laser, and CNC, the Artisan is the comparison at Snapmaker. The U1 relies on a 4-head tool changer rather than IDEX dual extrusion.
The multicolor buying guide helps compare IDEX dual extrusion like the J1s's against an AMS system or a tool changer.
Similar printers to compare
Sources and limits
- Source: official Snapmaker pages (shop.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.

