SLAStereolithography
High-detail precision for an exceptional surface finish
SLA uses a UV laser to cure liquid photopolymer resin layer by layer, producing highly accurate parts with an excellent surface finish and fine feature detail.
- Materials
- Standard, tough, flexible, castable and high-temperature resins
- Strength
- Moderate (more brittle than SLS / MJF)
- Detail & finish
- Excellent (smooth, high resolution)
- Surface roughness (Ra)
- 25 – 50 µm
- Support structures
- Required (post-processing needed)
- Build speed
- Moderate
- Cost per part
- Moderate
- Best for
- Appearance models, small components, transparent parts
High accuracy
Fine feature reproduction
Excellent surface finish
Smooth, production-like appearance
Complex details
Thin walls and intricate geometry
Wide material options
Standard to engineering resins
How it works
Inside the machine
Hover over a numbered point or a list item to see where each part sits.
Capabilities
What SLA is good at
Smooth, highly accurate resin parts with fine feature detail.
Material options
07- Standard resin · General purpose
- Tough resin · Durable parts
- Flexible resin · Rubber-like
- Clear resin · Transparent parts
- High-temperature resin
- Engineering resins · ABS-like, PP-like
- Biocompatible / medical-grade resin
Key advantages
07- Very high resolution
- Excellent surface finish
- High dimensional accuracy
- Captures fine details
- Smooth surface with minimal processing
- Suitable for complex geometries
- Ideal for appearance models
Applications
07- Appearance and visual prototypes
- Small and detailed components
- Transparent parts and light guides
- Master patterns for casting
- Consumer product models
- Medical and dental models
- Concept and design validation
Process flow
From CAD file to finished part
- 01
3D CAD model
Design or modify
- 02
Slicing
Convert to layers
- 03
SLA printing
UV laser curing
- 04
Post-processing
Cleaning, UV curing, finishing
- 05
Final part
Ready for use
Sample parts
Typical SLA parts
Transparent part
Clear resin
Detailed prototype
Standard resin
Dental model
Biocompatible resin
Complex geometry
High detail
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3D printing overviewStart a project
Have a part in mind?
Send us a CAD file, a sketch or a sample part. We'll recommend the right process, material and finish, and get back to you with a quote.