Key Specifications
Prime Delivery • 30-Day ReturnsELEGOO Neptune 4 Max 3D Printer, 500mm/s Fast Printing, Support 300°C Printing, Auto Leveling and Direct Drive Extruder, 420x420x480mm Large Build Volume
The Neptune 3 Max is a high-capacity FDM 3D printer aimed at users needing large build volume — ideal for big prints, props, prototypes, furniture-scale parts, or multiple smaller items in one go. It includes modern convenience features: auto bed-leveling, a dual-gear direct-drive extruder for reliable filament feeding, and a PEI magnetic flexible build plate for easier print removal.
Key Features
The Neptune 3 Max is a high-capacity FDM 3D printer aimed at users needing large build volume — ideal for big prints, props, prototypes, furniture-scale parts, or multiple smaller items in one go. It includes modern convenience features: auto bed-leveling, a dual-gear direct-drive extruder for reliable filament feeding, and a PEI magnetic flexible build plate for easier print removal.
Key Considerations
Workspace requirements — This is a large 3D printer; you need sufficient desk or floor space to accommodate its footprint and bed motion.
Build volume vs. print size you need — The 420 × 420 ×500 mm volume is excellent for large prints or batch printing, but if you mostly print small parts, this may be overkill.
Material compatibility — The direct extruder and heated bed support common filaments like PLA, PETG, TPU, ABS, etc.
First-layer adhesion & bed leveling — Auto bed-leveling + a magnetic PEI build plate help with adhesion and make removal easier, which is important for large prints.
Noise and stability — For long prints, frame rigidity and quiet operation matter; this printer uses dual lead-screw Z-axis and has silent drivers.
The standout feature of the Neptune 3 Max is its very large build volume: 420 × 420 × 500 mm. That size allows you to print large props, furniture-scale parts, prototypes, or multiple smaller items in a single print job — something small desktop printers often cannot manage.For example, if you’re into cosplay, architecture, large-scale modeling, or product prototypes, this space gives you flexibility and reduces the need to split large models into many pieces.
These factors represent the most critical aspects that will impact your satisfaction with this product.
Customer Reviews
I’ve only had a short time. I have zero prior experience with 3D printing. Once received, I watched many many YouTube videos. Setting up the machine. Using the supplied modified for this machine, Cura software.
This elegoo printer is the best affordable and high quality intro to 3D printing. The parts provided, tools, and starter filament are all fantastic.