Technology routes

SLA

SLA stereolithography is a photopolymer additive manufacturing process used for precise models, tooling patterns, and visual or functional prototypes. D2M helps clients assess whether SLA fits the application, material route, accuracy requirement, and workflow.

  • Accuracy and surface-finish needs reviewed first
  • Resin route assessed against the application
  • Post-processing and inspection planned before use
  • System selection tied to size, utilization, and workflow

Process considerations

  • Helps teams assess when SLA is the right route for detailed models or tooling patterns.

  • Connects resin choice to accuracy, finish, and downstream process needs.

  • Defines post-processing, inspection, and documentation before implementation.

  • Keeps printer selection tied to application demand and operating workflow.

How the Technology Is Assessed

SLA should be evaluated against the application, material requirement, build or measurement envelope, operating environment, post-processing needs, and inspection route.

The process route is only one part of the system. Teams also need file control, operator workflow, quality records, maintenance planning, and clear approval points before the technology becomes an operating capability.

Why the Selection Process Matters

SLA may be useful where its process characteristics match the application requirement. It should not be selected because it is available or familiar.

D2M compares candidate applications, materials, production constraints, inspection needs, and commercial assumptions before recommending a route. The result is a technology decision tied to workflow and governance, not a machine-led purchase.

Compare selected SLA systems

Review selected systems against the specifications that matter for application fit and implementation planning. Scroll the table horizontally to compare all systems.

Selected SLA systems, specifications and selection notes
SpecificationsStratasys
Stratasys Neo® 450s
Stratasys
Stratasys Neo® 800
Stratasys
Stratasys Neo® 800+
Selection notesIdeal for precision prototyping and smaller-format production without overextending capital investment.The balanced choice for high-accuracy, mid-to-large format SLA production.Designed for maximum throughput and superior surface quality in demanding production environments.
Product detailsView Stratasys Neo® 450sView Stratasys Neo® 800View Stratasys Neo® 800+

Application and industry context

Relevant industries

SLA can support applications where surface finish, detail, and dimensional requirements matter, provided the material route and documentation needs are defined.

Application opportunities

Candidate SLA applications are reviewed against accuracy needs, material behavior, inspection route, downstream process, and documentation requirements.

Systems and materials for SLA

A selection of the products associated with this process, in the existing catalogue order. Open each complete catalogue to review the full range.

SLA system selection should be reviewed against build size, accuracy requirement, resin route, post-processing, inspection needs, and expected utilization.

3D printers

3 related products. All SLA printers

Stratasys Neo® 800+

Large-format SLA system for applications where accuracy, surface finish, resin route, and workflow requirements need to be reviewed.

SLA material selection depends on the part purpose, accuracy requirement, mechanical behavior, surface finish, post-processing route, and documentation needs.

Related materials

Showing 6 of 16 related products. All SLA materials

Somos® 9120™

A semi-flexible, translucent SLA material offering durability and chemical resistance for functional prototypes and end-use parts.

Somos® BioClear™

A rigid, biocompatible SLA resin for producing transparent, high-precision medical parts with excellent moisture resistance.

Somos® DMX SL™-100

A durable SLA resin for creating complex, hollow composite tooling with a smooth finish and easy 'dry removal' post-autoclave.

Somos® Element™

A specialized SLA material for high-precision investment casting patterns, ensuring clean burnout, dimensional stability, and minimal ash residue.

Somos® EvoLVe™ 128

A durable, rigid SLA material for producing accurate, high-detail functional parts with thermoplastic-like performance and a smooth surface finish.

Somos® Momentum™

A high-speed SLA photopolymer for rapidly producing durable, accurate parts with a smooth finish, ideal for tooling and functional prototypes.

Related insights and resources

Technical articles

Evaluate SLA for Your Manufacturing Needs

Review whether SLA fits your application, material route, workflow controls, and inspection requirements.

  • SLA suitability review
  • Material route comparison
  • Workflow and inspection planning
  • Lead-time and cost review

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