QIDI Max4: Large Format 3D Printer with massive 390 x 390 x 340 mm build volume. It reaches 800 mm/s printing speed and supports nozzle temperatures up to 370°C. The active heated chamber and Polar Cooler ensure stable high-performance results with engineering materials.
About QIDI Max4
The QIDI Max4 brings impressive scale to desktop 3D printing with its large build volume of 390 x 390 x 340 mm. Users can produce big industrial parts, intricate molds, and customized prototypes in one go instead of splitting them into smaller sections. This size opens up new creative possibilities while saving time on assembly and post-processing.
Its CoreXY motion system paired with closed-loop stepper motors delivers smooth high-speed performance reaching 800 mm/s and acceleration up to 30,000 mm/s². The high-flow hotend achieves 40 mm³/s which shortens print times for large objects significantly. Makers benefit from reliable accuracy even at top speeds so projects finish faster without sacrificing quality.
Temperature control stands out with a bimetal nozzle that handles up to 370°C print head temperatures. The heated bed hits 120°C with uniform full-surface heating while the active chamber reaches 65°C. These capabilities make it easy to work with demanding engineering filaments that need consistent warmth to avoid warping or poor layer bonding.
Active toolhead cooling through the Polar Cooler system keeps the extruder and filament at optimal levels to stop clogs during long runs. Combined with the 3-in-1 air filter, filament detection, and auto bed leveling the printer runs smoothly with less manual intervention. The direct drive extruder with hardened steel gears works well with 1.75 mm filament including abrasive types for versatile material use.
The dual-sided textured PEI plate provides excellent first-layer adhesion across the entire area. Printer dimensions of 558 x 578 x 612 mm and 40 kg net weight give a solid stable base for precise operation. Overall this setup helps users tackle bigger and more complex prints with confidence and efficiency.
Specifications
| Parameter | Value |
|---|---|
| Build Volume | 390 x 390 x 340 mm |
| Max Tool Head Speed | 800 mm/s |
| Acceleration | 30000 mm/s² |
| Motion System | CoreXY with closed-loop motors |
| Nozzle Temperature | 370 °C |
| Hot Bed Temperature | 120 °C |
| Chamber Temperature | 65 °C |
| Nozzle Type | Bimetal hardened steel |
| Nozzle Diameter | 0.4 mm (0.2/0.6/0.8 mm optional) |
| Extruder | Direct drive with hardened steel gears |
| Build Plate | Dual-sided textured PEI |
| Filament Diameter | 1.75 mm |
| Flow Rate | 40 mm³/s |
| Air Filter | 3-in-1 |
| Price | $1049 |
Reviews
Printing big cosplay pieces works amazingly well on this large format machine. The heated chamber keeps everything stable so layers bond perfectly without warping. I finished a full helmet in one go and the detail came out sharp.
Speed is impressive for such a big build area. The active cooling system really helps when switching to PLA and avoids those annoying clogs. Bed adhesion is strong and leveling is automatic which saves me lots of time on setup.
Engineering filaments print smoothly thanks to the high nozzle temperature and uniform bed heating. I created several large prototypes for work and the accuracy stayed consistent throughout long prints. This machine handles my demanding projects with ease.
