ELEGOO Neptune 3 Max FDM 3D Printer with Auto Bed Leveling, Dual-Gear Direct Extruder, Ultra-Quiet Printing, Dual Lead Screw Drive, Massive Printing Size 420x420x500mm /16.53x16.53x19.68 Inches

• Dual-Gear Direct Extruder: The dual-gear direct drive extruder with gears made of SUS303 stainless steel features adjustable extrusion force and a 3:1 reduction ratio, which ensures smoother filament feeding and stable & accurate printing, greatly reducing nozzle clogging and gear jumping problems. Ideal for printing PLA, PETG, ABS, and flexible filaments such as TPU.
• Massive Print Volume: With the largest ever build volume of 420x420x500 mm /16.53x16.53x19.68 inches, ELEGOO Neptune 3 Max gives you generous printing space to let your creativity run wild, whether for printing larger models, or printing in batches.
• Auto Bed Leveling Auxiliary Leveling: The non-contact high precision sensor automatically scans 63 points of the hotbed to compensate for any unevenness and inconsistencies of the printing platform. You can also use the hand-twist knobs under the build platform for auxiliary leveling to achieve a nice first layer.
• Stable & Quiet Printing: The Z-axis is designed with dual lead screws and dual-motor drive for more stable and precise movement of the print head, and the double tie rod structure enhances the stability of the Z-axis gantry. 
  With an STM 32-bit silent motherboard, the X/Y/Z/E axes are all driven by high-precision stepper motors to effectively reduce the printing noise under 50 dB.
• PEI Magnetic Platform: PEI magnetic platform with a special coating and spring steel sheet for strong adhesion and anti-warping, so you can easily remove or eject the print models by slightly bending the print steel sheet. The 420W high-power hotbed can quickly heat up to 100°C.
• Removable Capacitive Touchscreen: The 4.3-inch removable magnetic capacitive touch screen can be operated by hand-held or fixed on the base, with a print model preview function to preview the model image during printing and observe the printing progress, support multi-language freely switch.
  There also comes with a drawer tool box on the machine base to store tools used by the printer such as Allen wrench and nozzle accessories.