Published on Sun Mar 21 2021 13:03:07 GMT+0000 (Coordinated Universal Time) by Alex

Elegoo Saturn 4 Ultra: A Deep Dive into This High-Resolution Resin Printer

The Elegoo Saturn series has consistently delivered impressive results for resin 3D printing enthusiasts. The Saturn 4 Ultra is the latest iteration, promising improved speed, enhanced resolution, and a more user-friendly experience. Let’s explore the specifications, usage tips, and overall value proposition of this machine.

Unboxing and First Impressions

The Saturn 4 Ultra comes well-packaged and includes everything you need to get started, including:

• The Saturn 4 Ultra 3D Printer
• Build Plate
• Resin Tank
• Power Adapter
• USB Drive (with software and sample models)
• Tools (scrapers, gloves, masks, etc.)
• User Manual

Initial impressions are positive. The printer boasts a sturdy build quality, and the touchscreen interface is clear and responsive. Setting up the printer is a straightforward process.

Detailed Specifications

Here’s a breakdown of the key specifications of the Elegoo Saturn 4 Ultra:

• Technology: MSLA (Masked Stereolithography)
• Light Source: COB Light Source with Fresnel Lens
• LCD Screen: 12K Mono LCD
• Resolution: 11520 x 5120 (19μm XY Resolution)
• Build Volume: 218.88 x 122.88 x 220 mm (8.62 x 4.84 x 8.66 inches)
• Printing Speed: Up to 150mm/h (with ACF film and fast resin)
• Z-Axis: Dual Linear Rails with Ball Screw
• Operating System: Linux
• Connectivity: USB, Ethernet, Wi-Fi
• Slicing Software: CHITUBOX, Lychee Slicer
• Air Purifier: Plug-in Activated Carbon Air Purifier
• Power Requirements: 24V 5A
• Machine Dimensions: 305.7mm (L) * 273mm (W) * 471mm (H)
• Weight: Approximately 12 kg

Key Features and Advantages

• 12K High Resolution: The 12K LCD screen allows for incredibly detailed prints with a very fine XY resolution, capturing even the smallest details accurately.
• High-Speed Printing: The advertised printing speed of up to 150mm/h is impressive, especially when used with appropriate resin and the ACF film. While real-world speeds may vary depending on the model, it’s significantly faster than previous Saturn models.
• Automatic Resin Filling: A convenient feature that helps maintain resin levels during long prints.
• Air Purification System: The plug-in air purifier helps reduce the odor associated with resin printing, improving the overall user experience.
• Dual Linear Rails and Ball Screw Z-Axis: Ensures stability and smooth movement along the Z-axis, contributing to print quality.
• WiFi Connectivity: Enables remote monitoring and control of the printer.
• Linux-Based Operating System: Offers more flexibility and potentially greater expandability compared to older, proprietary systems.

Usage Tips and Best Practices

To get the most out of your Elegoo Saturn 4 Ultra, consider these tips:

• Resin Selection: Choose a resin specifically formulated for high-speed printing to take advantage of the printer’s capabilities. Elegoo offers several options, but other brands are also compatible.
• Slicing Settings: Experiment with slicing settings, especially layer height and exposure time, to find the optimal balance between speed and quality. Refer to resin manufacturer recommendations as a starting point.
• Build Plate Adhesion: Ensure the build plate is properly leveled and cleaned before each print. Lightly sanding the build plate can also improve adhesion.
• Supports: Use appropriate support structures to prevent print failures, especially for models with overhangs or intricate details. Consider using automatic support generation features in your slicing software and manually adjust them as needed.
• Resin Tank Maintenance: Regularly clean the resin tank to remove any cured resin or debris. Use a soft scraper to avoid scratching the FEP film.
• Ventilation: Even with the air purifier, it’s essential to work in a well-ventilated area when printing with resin.
• Post-Processing: Proper washing and curing of your prints are crucial for achieving optimal strength and finish. Use a dedicated washing station and UV curing station for best results.
• Firmware Updates: Regularly check for firmware updates from Elegoo to benefit from bug fixes and performance improvements.

Potential Considerations

• Resin Cost: Resin can be more expensive than filament used in FDM printing. Factor this into your overall cost analysis.
• Post-Processing Requirements: Resin printing requires more post-processing steps than FDM printing, including washing and curing.
• Resin Odor: While the air purifier helps, some resins can still have a noticeable odor. Proper ventilation is essential.
• Complexity: Resin printing can be more complex than FDM printing due to the greater number of variables involved.

Rating Breakdown

Here is a breakdown of the Elegoo Saturn 4 Ultra based on the categories listed, each rated out of 10:

• Print Quality: 9.5 - The 12K resolution delivers exceptional detail.
• Build Volume: 8 - A good size for most projects, though larger models may require splitting.
• Printing Speed: 9 - Significantly faster than previous models and competitors, especially with fast resins.
• Material Compatibility: 8 - Compatible with a wide range of standard and specialized resins.
• Bed Adhesion & Leveling: 8.5 - Generally good adhesion, especially with proper leveling.
• Reliability: 8.5 - Solid build quality and consistent performance.
• Ease of Use: 8 - User-friendly interface and intuitive software.
• Firmware and Software: 8.5 - Linux-based system offers flexibility and good compatibility with slicers.
• Connectivity Options: 9 - USB, Ethernet, and Wi-Fi provide ample connectivity.
• Build Quality & Durability: 9 - Sturdy construction and quality components.
• Noise Level: 8 - Relatively quiet compared to some other printers.
• Maintenance Requirements: 7.5 - Requires regular cleaning of the resin tank and build plate.
• Customer Support: 7 - Elegoo’s customer support can be variable, but improving.
• Upgradeability: 7.5 - Some potential for upgrades, such as different FEP films.
• Price to Performance Ratio: 9 - Excellent value for the features and performance offered.

Average Score: 8.37

Conclusion

The Elegoo Saturn 4 Ultra is a compelling option for anyone seeking a high-resolution, high-speed resin 3D printer. The 12K resolution, fast printing speeds, and user-friendly features make it a great choice for both beginners and experienced users. While resin printing requires more post-processing and attention to detail compared to FDM printing, the Saturn 4 Ultra provides a rewarding experience and produces stunning results. Its strong performance and reasonable price point solidify it as a top contender in the resin 3D printing market.

Written by Alex