3D Printers
Filaments
Elegoo Neptune 4 Max 3D Printer
The Elegoo Neptune 4 Max is an ultra-large, high-speed FDM 3D printer designed for professionals, hobbyists, and businesses that require extra-large printing capabilities without compromising speed or precision. Featuring a massive 420×420×480mm build volume, this machine enables users to create full-scale models, cosplay armor, engineering prototypes, functional parts, and large artistic pieces in a single print.
- Massive 420×420×480mm build volume
- Ultra-fast 500mm/s printing powered by Klipper
- 49-point auto bed leveling
- High-flow all-metal hotend
- Direct drive extruder for superior filament control
- PEI magnetic flexible build plate
- Dual Z-axis for high precision
- Strong cooling system for clean prints at high speed
- Perfect for cosplay, prototyping, batch production & industrial-style use
Description
The Elegoo Neptune 4 Max stands as one of the most capable consumer-grade large-format 3D printers on the market, offering unmatched value for creators who need both size and speed. Whether you’re building massive cosplay props, architectural displays, engineering prototypes, or multiple production parts at once, the Neptune 4 Max provides outstanding performance driven by advanced firmware, precision hardware, and a highly robust structure.
A Truly Massive Build Volume
With an impressive 420 × 420 × 480 mm print capacity, the Neptune 4 Max unlocks large-scale creativity. This expansive workspace lets you print:
- Full helmet-size cosplay models
- Extra-large prototyping parts
- Furniture accessories
- RC and drone parts
- Batch production items
- Detailed architectural models
Instead of slicing projects into smaller sections, you can now print them in one go—saving time, effort, and improving structural integrity.
Blazing Fast Performance with Klipper
Speed is where the Neptune 4 Max truly shines. Utilizing a Klipper-based motion control system, it achieves incredible printing speeds:
- Up to 500mm/s maximum speed
- 12,000mm/s² acceleration
- Built-in Input Shaping and Pressure Advance
This ensures:
- Reduced ringing
- Sharper edges
- Smoother curves
- Cleaner details
Printing large models no longer means waiting multiple days—now professionals and businesses can complete projects in hours.
Direct Drive Extrusion for Reliable Filament Control
The machine features a dual-gear direct drive extruder, which ensures consistent material flow and excellent handling of flexible filaments like TPU. Combined with an all-metal high-flow hotend, the printer can handle higher temperature materials and maintain extrusion stability even during long print sessions.
High-Precision Bed Leveling
To support the massive print surface, the Neptune 4 Max includes a 49-point automatic bed leveling system. This ensures perfect first layers across large projects, reducing print failures and improving accuracy.
Users can also adjust Z-offset for fine-tuning.
PEI Magnetic Flexible Plate
Printing on a large surface is often challenging, but the PEI-coated plate ensures:
- Strong adhesion
- Warp resistance
- Effortless part removal
Just flex the plate, and the print pops off easily—no tools required.
Superior Cooling System
High-speed printing generates heat and demands high-efficiency cooling. The Neptune 4 Max incorporates:
- High-pressure part cooling fans
- Dedicated hotend cooling
- 360° airflow design
This gives cleaner overhangs, reduced stringing, and extremely crisp details even at high speed.
Rigid Metal Frame & Stable Z-Axis
Large printers require exceptional stability. Elegoo delivers with:
- Hardened metal frame
- Dual Z-axis + dual motors
- Anti-backlash system
- Thickened support rods
The result: smooth vertical movement, minimized wobble, and consistent layer stacking even with tall prints.
Smart Features for Modern Makers
The Neptune 4 Max includes features that make printing easier and safer:
- Filament runout sensor
- Power-loss recovery
- 4.3-inch color touchscreen
- Silent stepper drivers
- Quick assembly design
These conveniences ensure that long, complex prints run efficiently and reliably.
Designed for Business, Hobbyists & Professionals
Whether you’re a maker, engineer, studio owner, or small manufacturing entrepreneur, the Elegoo Neptune
Who Should Buy?
- Cosplayers & Prop Makers who need full-size armor parts
- Engineers & Designers working on large prototypes
- Small manufacturing businesses producing batches
- 3D printing farms / studios needing big & fast output
- Architects needing large-scale models
- Schools, labs & makerspaces needing versatile, large-volume printers
- Hobbyists who want a powerful future-proof machine
FAQ
1. Is the Neptune 4 Max suitable for beginners?
Yes! Despite its size, it is very user-friendly.
2. Can it print flexible materials like TPU?
Yes, the direct drive extruder handles TPU smoothly.
3. What makes it so fast?
Klipper firmware, input shaping, and high acceleration allow up to 500mm/s speeds.
4. Can I print tall models reliably?
Absolutely. The dual Z-axis ensures stability for tall prints up to 480mm.
5. Does it support high-temperature filaments?
Yes, thanks to the all-metal hotend.
6. Is it good for business use?
Yes — its speed, size, and reliability make it perfect for production work.
Specifications
| Feature | Specification |
|---|---|
| Model | Elegoo Neptune 4 Max |
| Build Volume | 420 × 420 × 480 mm |
| Firmware | Klipper-based |
| Max Print Speed | 500 mm/s |
| Acceleration | Up to 12,000 mm/s² |
| Extruder Type | Dual-Gear Direct Drive |
| Hotend | All-Metal High-Flow |
| Nozzle Size | 0.4mm (standard) |
| Max Nozzle Temp | ~300°C |
| Max Bed Temp | ~110°C |
| Bed Leveling | 49-Point Auto Leveling |
| Build Surface | PEI Magnetic Flexible Plate |
| Cooling System | High-Pressure Fans + 360° Cooling |
| Z-Axis | Dual Z-Axis with Dual Motors |
| Connectivity | USB, SD Card |
| Display | 4.3-inch Touchscreen |
| Noise Level | Low-Noise Drivers |
| Supported Materials | PLA, PETG, TPU, ABS, ASA, etc. |
| Power Loss Recovery | Yes |
| Filament Runout Sensor | Yes |
| Frame Material | Full Metal |
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