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3D Systems SLA 3D Printers

Stereolithography is the first commercialized 3D printing technology, invented by 3D Systems’ Co-Founder and Chief Technology Officer Chuck Hull in the 1980s. It uses an ultraviolet laser to precisely cure photopolymer cross-sections, transforming them from liquid to solid. Parts are built directly from CAD data, layer-by-layer into prototypes, investment casting patterns, tools, and end-use parts.

Once the SLA printing process is complete, SLA parts are cleaned in a solvent solution to remove any residual uncured resin from the part surface. Cleaned parts are then cured in a UV oven.
SLA 825

SLA 825

$19,630.00
$19,630.00
ProJet SLA 7000

ProJet SLA 7000

$19,630.00
$19,630.00

SLA 3D Printing Technology

Tolerances on SLA parts are typically less than 0.05 millimeters, making it an excellent choice when precision is your top priority. Delivering the smoothest surface finish of any additive manufacturing process, the quality of SLA parts makes this versatile technology great for:

Why Use Stereolithography?

Unrivaled Accuracy and Precision

SLA 3D printers are able to deliver highly detailed, tiny parts just a few mm in size, all the way up to 1.5 m long parts—all at the same exceptional resolution and accuracy. Even large parts remain highly accurate from end-to-end, with virtually no part shrinkage or warping.

Production Quality

3D Systems has released 21 different SLA printers over the last 3 decades, each providing significant improvements over the previous version, offering you exceptional part quality. Our customers do not have to compromise speed or feature detail because we utilize two laser spot sizes per layer—delivering the best surface finish, small feature definition, and throughput.

Broad SLA Materials Selection

By working with our customers over the last 30 years, 3D Systems has supported more than 80 SLA additive manufacturing materials, tuned to application needs. Find the mechanical specifications you need in our existing portfolio, or talk to our experts to find what you’re looking for.