
Elegoo Mars 4 Ultra MSLA Resin 3D Printer with 9K Mono LCD
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The Elegoo Mars 4 Ultra 3D Printer boasts a robust all-metal body, designed to enhance the printer’s stability and resilience, making it perfect for high-demand, frequent use. Its sleek, contemporary design adds an elegant touch to your workspace. The mid-plate features a raised step to prevent resin from flowing into the machine, maintaining a clean environment. Additionally, screw end caps on the build platform make post-processing and maintenance tasks more efficient, while the adjustable foot pads ensure the printer remains stable on uneven surfaces.
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Key Features:
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9K Precision for Unmatched Detail
The Elegoo Mars 4 Ultra delivers exceptional print quality and intricate details with its 7-inch 9K Mono LCD screen, boasting an 8520x4320 resolution. This allows for highly detailed models with an XY precision of just 18 microns. Additionally, its rapid printing capabilities, supported by ACF release liner film and the upcoming ELEGOO FAST standard resin, allow for speeds of up to 150mm/H. This speeds up the printing process by three times, ensuring high-quality models are produced with speed and efficiency. -
Effortless High-Speed Wi-Fi Transfer
The printer features a brand-new Linux OS with 4GB of built-in RAM, supporting seamless Wi-Fi transfer at speeds of 6-10Mbps. It is compatible with both 2.4G and 5G networks, making it easy to send files from your computer or mobile device. The detachable Wi-Fi antenna, located conveniently on the Z-axis, ensures easy connection to your network. -
COB Light Source + Fresnel Collimating Lens for Uniform Exposure
The COB light source paired with a Fresnel collimating lens ensures vertical and uniform exposure of the 405nm wavelength beam. This results in consistent curing across the entire build area with a light angle of less than 5 degrees and a 92% light uniformity, providing your models with a smooth and even surface finish. -
Stable and Precise Printing Performance
With a Z-axis that utilizes a linear guide rail structure for precision movement (0.02mm accuracy), the Mars 4 Ultra ensures smooth, delicate surfaces on your models, eliminating riffles. The printer features a 4-point leveling system with four clockwise-tightening screws, eliminating the need for frequent re-leveling after an initial setup, saving time and effort. The laser-carved surface on the build plate boosts adhesion, even for larger prints. -
Enhanced Printing Experience
Equipped with a large cooling fan and heat-conducting copper tubes, the Mars 4 Ultra offers efficient heat dissipation, boosting both performance and longevity. An upgraded air purifier with a protective plastic case houses an activated carbon filter, eliminating resin odors during printing. The printer is compatible with the Voxeldance Tango Slicer, which offers static and dynamic modes (smooth and high-speed). Additionally, the GOO slice file format is open-sourced, allowing compatibility with third-party slicing software like CHITUBOX and Lychee Slicer. -
Attention to Detail
The all-metal body of the Mars 4 Ultra ensures durability and stability for frequent use. Its modern design enhances any workspace aesthetically, while the raised step on the mid-plate keeps resin contained and preserves internal components. The screw end caps on the build platform simplify cleaning, reducing post-processing time. Finally, the adjustable foot pads ensure the printer remains stable, even on uneven surfaces.

