This Dual-Laser SLA 3D Printer Bridges the Gap Between Size, Speed, and Precision

3D Systems’ latest large-frame SLA 3D printer, the SLA 825 Dual, is set on solving a persistent problem in industrial additive manufacturing: the trade-off between size and precision.

With an 830 x 830 x 550 mm build volume, which is 20% larger than its predecessor, the SLA 825 Dual offers the extra space that makes printing larger parts or fitting more parts in a single run possible, cutting down on job changeovers and saving time.

The machine runs dual synchronous 4W lasers paired with 3D Systems’ proprietary HyperScan™ scanning technology. This delivers what 3D Systems calls “industry’s fastest printing speeds” without sacrificing part quality, achieving layer thickness from 50-150 μm, with fine-feature XY resolution of up to 0.0127 mm.

Built for the Long Haul

3D Systems engineered the SLA 825 Dual with future-proofing in mind. The printer is designed to be upgradeable, so as new technologies emerge, you won’t need to replace the entire system.

The dual-laser setup is key to throughput. While many large-format SLA machines sacrifice detail for volume, the SLA 825 Dual is built to maintain both high accuracy and fine surface finish, even at scale.

Size Matters – So Do Precision and Speed

The SLA 825 Dual targets industries where size, precision, and speed are key. Investment casting and foundries, for example, can print large or complex patterns in high volume, reducing cost per part while maintaining consistency.

Automotive and motorsports teams get design verification and functional prototypes with production-like accuracy and minimal post-processing, whereas aerospace, defense, and tooling shops could benefit from large structural prototypes, mandrels, jigs, and fixtures, while SLA’s smooth surface finish cuts down on finishing work.

Another use case lies with service bureaus and contract manufacturers, which, when handling diverse jobs, could ostensibly turn projects around faster by leveraging the machine’s combined size, speed, and flexibility, in terms of application.

Materials Ready for the Production Floor

The SLA 825 Dual supports production-grade resins from 3D Systems’ Accura® portfolio. Materials like Accura® AMX Durable Natural and Accura® Xtreme Black enable everything from structural prototypes and tooling to enclosures and production-like parts. These resins are tough and functional – some even offering heat-resistant properties.

Post-processing is streamlined, too. The printer pairs with dedicated curing hardware from large-part ovens to smaller-scale options and offers accessories like extra vats and print plates to minimize downtime.

Forget Tradition, Go Tool-Free

Compared with traditional manufacturing methods like molding, CNC machining, or manual pattern making, the SLA 825 Dual’s tool-free workflow is a major advantage. Engineers can go straight from CAD to finished part without tooling, which slashes lead times and costs, especially for low-volume or custom production.

Against smaller SLA machines, the SLA 825 Dual adds scale. Against large-format printers that sacrifice detail, it maintains high resolution and accuracy. That middle ground makes it flexible enough to bridge prototyping, tooling, and production work.

The included 3D Sprint® software handles everything from file preparation to printer management and monitoring, keeping the entire workflow – from CAD to final part – inside a single interface. That reduces complexity and errors, which is crucial for production or batch-run environments.

Is the SLA 825 Dual Right for You?

The SLA 825 Dual makes sense for those requiring a machine that can take on large sizes or volumes – think big prototypes, tooling, patterns, or batch prints – as well as those with high resolution, fine detail, and smooth surface finish.

Speed and throughput for production parts is another potential use case here, as is short-run manufacturing, or quick iterations. And that’s not to forget the material versatility the SLA 825 Dual allows for, whether you’re looking to print with tough functional plastics, casting resins, or specialty polymers.

The Bottom Line

With the SLA 825 Dual, 3D Systems sets a new benchmark for large-format SLA. The machine offers a wicked combo of build volume, dual-laser speed, part precision, and a full material ecosystem, offering a level of flexibility that’s rather rare in one package, especially considering users aren’t forced to choose between size and quality.

For those juggling complex geometry, tight tolerances, and the need for fast turnaround, whether for prototypes, tooling, or end-use parts, the SLA 825 Dual is worth a closer look.