SLA 3D Printing

The preferred method of prototyping for medium or large sized prototypes and models where cosmetics are a priority

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sla 3d printing services

High-Resolution 3D Printing

The perfect fit for accurate, high-resolution finished parts

Stereolithography 3D printing is ideal for medium or large parts that require a "show model" look, or in instances with an emphasis on aesthetics.

This process is appealing not only because of the quality surface finish and clear parts, but also as a cost-effective option for accurate parts.

It is worth mentioning, however, that the material may degrade with UV or humidity exposure, and the parts tend to be fragile or have structural instability.

How It Works

An overview of the SLA 3D printing process

Stereolithography (SLA) is an epoxy-based photopolymer system that utilizes lasers to cure the resin on the cross-sectional area of the part. It begins with a recoating bar that applies a thin layer of resin, then an ultraviolet laser creates an image of the part on that resin. After one layer, this process is repeated until the build is complete.

Once the build is complete, the parts are removed and put into a solvent to remove excess resin. The SLA process uses supports of the same material as the part itself, which have to be manually removed. From there, the parts go through a curing cycle in a UV curing machine.

sla 3d printing services
Stereolithography SLA 3D printing services

Common Applications

Popular uses for the stereolithography 3D printing method

  • Master pattern for cast urethane
  • Highly cosmetic show models
  • Prototype, form, or fit models
  • Clear parts or light pipes


Technical Details

  • Standard: 3-5 days
  • Expedited: may be available within 24 hours in certain cases

+/- .008” or +/- .002 in/in, whichever is greater.


450 x 450 x 400 mm.

Clear part finishing, painting, sanded and bead blasted.

Material Options

  • Accura ClearVue
  • Accura ABS Black
  • Somos EvoLVe

Design Guidelines






Gain answers to common questions about the SLA 3D printing process

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