Elegoo Neptune 4 Max 

A powerful, large‑volume FDM 3D printer designed for big projects — with massive build space, high‑temperature nozzle, fast printing and versatile filament support, ideal for large parts, prototypes or batch production.

• Huge build volume: 420 × 420 × 480 mm — great for large models or printing multiple parts at once.}
• Max printing speed up to 500 mm/s (with Klipper firmware) for rapid production. 
• 300 °C high‑temperature nozzle — supports a wide range of filaments (PLA, PETG, TPU, ABS, ASA, Nylon etc.).
• 121‑point auto bed leveling for reliable first layer adhesion. 
• Dual‑gear direct extruder for smooth and consistent filament feeding, even with flexible or high-temp materials. 
• Flexible connectivity: Wi‑Fi / LAN / USB printing and remote control support for convenience
• Sturdy build and stable frame design — ensures precision and stability even with large-scale prints.