Resin 3D printers have gained a strong following among creators due to their ability to produce sharp, detailed models with smooth finishes. Unlike filament-based printers, they use liquid resin cured by light to create objects with remarkable accuracy. This makes them perfect for applications like miniatures, jewelry, prototypes, and even custom components. As resin printing technology has improved, modern printers now deliver faster print speeds, better stability, and user-friendly features. In this Elegoo Saturn 4 Ultra Review, we’ll explore what makes this model a noteworthy addition to the resin printing world. Elegoo has built a reputation for crafting dependable and performance-driven printers, and the Saturn 4 Ultra is designed to meet the needs of serious creators. We’ll dive into its key features, print quality, and how it performs in real-world printing tasks. If you’re an experienced maker or someone looking to upgrade, this review has you covered.

Design and Build Quality

The Elegoo Saturn 4 Ultra features a solid metal frame built for lasting performance through continuous use. Its sturdy construction keeps the printer stable during long printing sessions, helping to maintain consistent results over time.

The printer’s flip-up cover design makes it easier to access the printing area for setup, cleaning, and maintenance. Its build plate comes with a quick-release mechanism, simplifying removal after prints are complete. The resin tank includes dual pour spouts for smoother resin changes and a drip tray to catch any excess resin. Additionally, the tank lock is replaceable, adding flexibility to the setup process.

With dimensions of 327.4mm(L) x 329.2mm(W) x 548mm(H), the Saturn 4 Ultra fits well in both personal workspaces and professional studios. Every part of its design reflects thoughtful engineering focused on ease of use and long-term reliability.

Key Features and Specifications

The Elegoo Saturn 4 Ultra introduces advanced features for faster, more accurate, and reliable resin 3D printing. Its 10-inch 12K monochrome LCD delivers an outstanding resolution of 11520×5120, producing highly detailed and refined models. With tilt release technology, models peel smoothly from the release film, enabling speeds of up to 150mm/h while maintaining excellent print quality. The COB light source paired with a Fresnel collimating lens achieves 92% light uniformity, ensuring even UV exposure across the build area.

The Saturn 4 Ultra includes a smart mechanical sensor for residue detection, resin shortage alerts, and leveling failure alarms. An AI camera provides real-time monitoring of the printing process, detecting potential issues like empty build plates or printing errors. Automatic leveling and a built-in self-check system simplify setup, making it easy to start printing right out of the box.

Comparisons

Saturn 4 Ultra vs. Saturn 4

The Elegoo Saturn 4 Ultra and Saturn 4 are both advanced resin 3D printers, each with unique features developed for different intended uses.

• Printing Speed: The Saturn 4 Ultra incorporates tilt release technology, allowing for faster printing speeds of up to 150mm/h. In contrast, the Saturn 4 operates at standard printing speeds, making the Ultra model more suitable for users prioritizing efficiency.
• Ease of Use: Both models feature automatic leveling and a smart self-check system, simplifying the setup process. However, the Saturn 4 Ultra enhances user convenience with a quick-release build plate and a flip-up cover design, facilitating easier access and maintenance.
• AI Camera: The Saturn 4 Ultra is equipped with an AI camera for real-time monitoring, detecting issues such as empty build plates or model warping. This is not present in the Saturn 4.
• Design and Build: Both printers boast a solid metal body for durability. The Saturn 4 Ultra further enhances user experience with dual pour spouts on the resin tank and a drip tray design to prevent resin drips, streamlining the resin handling process

Saturn 4 Ultra vs. Saturn 3 Ultra

The Elegoo Saturn 4 Ultra builds on the foundation of the Saturn 3 Ultra, introducing new features that improve speed, automation, and ease of use.

• Ease of Use: The Saturn 4 Ultra features automatic leveling and a smart self-check system, making setup more straightforward. The Saturn 3 Ultra requires manual leveling, adding extra setup time.
• Printing Process: With tilt release technology, the Saturn 4 Ultra peels models from the release film efficiently, enabling printing speeds of up to 150mm/h. The Saturn 3 Ultra uses a standard peeling process, which can slow down printing during larger projects.
• Monitoring Features: The Saturn 4 Ultra comes equipped with an AI camera that monitors the entire printing process, detecting issues like failed prints or empty build plates. The Saturn 3 Ultra lacks real-time monitoring, requiring users to check progress manually.
• Resin Management: The Saturn 4 Ultra includes a resin tank with dual pour spouts and a drip tray, simplifying resin handling and reducing mess. The Saturn 3 Ultra uses a standard resin tank design, requiring more careful handling during resin changes.

Real World Applications

The Elegoo Saturn 4 Ultra’s has advanced features that are useful in various industries. Its high-resolution printing, rapid speeds, and user-friendly design are developed for both professionals and hobbyists. Here’s how it can be applied in different scenarios:

Miniatures and Figurines

The Saturn 4 Ultra’s 12K mono LCD and fine XY resolution enable the creation of detailed miniatures and figurines. This precision is essential for tabletop gaming pieces and collectible models. A game developer can produce a series of fantasy miniatures with intricate armor and facial details, enhancing the gaming experience for players.

Prototyping and Product Development

With a substantial build volume and fast printing capabilities, the Saturn 4 Ultra assists engineers and designers in rapidly creating and testing prototypes. This accelerates the product development cycle and facilitates timely iterations. An engineering team can swiftly print and evaluate multiple iterations of a wearable device casing. This allows them to optimize the design before mass production.

Dental and Medical Models

The Saturn 4 Ultra’s accuracy is beneficial for producing dental molds and medical models, aiding in treatment planning and patient education. This enhances the quality of care provided to patients. A dental clinic can fabricate precise orthodontic models, improving the fit and effectiveness of corrective devices.

Architecture and Art Installations

Architects and artists can generate detailed scale models and art pieces, facilitating presentations and exhibitions. This aids in visualizing and communicating design concepts effectively. An architecture firm can present a detailed model of a new development, providing clients with a tangible representation of the project.

Conclusion

The Elegoo Saturn 4 Ultra sets a new benchmark in resin 3D printing with its advanced features and exceptional performance. Its 12K mono LCD with a resolution of 11520×5120 ensures sharp, detailed prints, while the innovative tilt release technology accelerates the printing process to speeds of up to 150mm/h. The combination of the COB light source and Fresnel collimating lens delivers even light distribution. User convenience is at the forefront with features like automatic leveling, a smart self-check system, and a quick-release build plate. The AI camera provides real-time monitoring, and the smart mechanical sensor alerts users about resin shortages and residue buildup.

With its large build volume, intuitive interface, and Wi-Fi cluster printing capability, the Saturn 4 Ultra is well-equipped for professionals and hobbyists tackling complex projects. Whether creating intricate miniatures, custom prototypes, or detailed architectural models, this printer excels in precision and efficiency. The Saturn 4 Ultra is not just a tool—it’s a complete solution for creators who need the best in resin 3D printing.