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Smooth Surfaces and Exceptionally Fine Detail.

Stereolithography (SLA) is an additive manufacturing technology developed by 3D Systems. The process cures liquid photopolymer resin with an ultraviolet laser to build parts layer upon layer, each typically measuring two-thousandth to six-thousandth of an inch (0.004”- 0.006”).

SLA offers advantages in terms of speed and can deliver functional prototypes and concept models in as little as a couple hours or on to two days. The amount of time it takes to build a part depends upon the complexity of the computer-aided design (CAD) geometry and the vertical height, or Z height, of the part.


The SLA Technologhy allows rapid production of accurate scale models of design projects in a short time. Provides parts that are lightweight and durable, with the strength of plastic, can be mounted and drilled, like in the actual situations with the real product.

It also allows companies to be able to effectively sell their idea or product with a prototype model.


Direct Digital Manufacturing / Rapid Manufacturing:

  • Medical and Healthcare
  • Electronics; Packaging, Connectors
  • Homeland Security
  • Military Hardware

Rapid Prototypes:

  • Design Appearance Models
  • Proof of Concept Prototypes
  • Design Evaluation Models (Form & Fit)
  • Engineering Proving Models (Design Verification)
  • Wind-Tunnel Test Models

Tooling and Patterns:

  • Rapid Tooling (concept development & bridge tools)
  • Injection Mold Inserts
  • Tooling and Manufacturing Estimating Visual Aid
  • Investment Casting Patterns


Depending upon the project, parts are typically delivered in one of three finish options: standard, primed or painted. For “strip ‘n Ship” parts are cleaned of excess resin with chemical bath and cured in an ultraviolet oven. For more advanced applications, parts can be copper or nickel-plated to produce metal-like strength, water-proofing, electromagnetic shielding and enhanced part finish.

If you’re looking for a rapid prototype, Fusion PM is your trusted Stereolithography source and ready to assist you!

We have a wide range of materials for this technology, learn more here.