SLA 3D Printing

In Stereolithography (SLA)  a  laser precisely cures each layer of a design into UV-sensitive resin.

It is one of the most tried, tested and efficient industrial 3D printing techniques and serves as the foundation of rapid prototyping.


Fast Process

How Stereolithography Works

Stereolithography builds a part layer-by-layer using UV sensitive resin and a high-power laser.  

  1. 3D CAD file is reviewed by the AME-3D production team  
  2. CAD file is set-up in the SLA system  with required supports 
  3. UV laser beam selectively hardens the resin based on the file specifications 
  4. The  machine builds the 3D part one layer at a time
  5. After the  build is complete, the  part is processed according to the chosen finish 


Rapid Prototyping

SLA Applications and Uses  

  • Master parts for rapid prototyping 
  • Visual prototypes for investment pitches and stakeholder buy-ins  
  • Functional prototypes for concept testing 
  • Individual part form and fit testing   
  • Durable materials ideal for on  demand  parts 
  • Housing consumer electronics 
  • Medical devices  
  • Transparent assemblies such as headlamps or bottles 

SLA Printing Details

SLA Capacity Comparison Image

The SLA dimensions are a reference guide. Our team are experienced in splitting designs and seamlessly joining parts together, should you require a build that exceeds the maximum SLA printing dimensions provided.  

Tolerances + / - 0.2%
Supported Walls  Min. 0.4 mm thick 
Unsupported Walls  Min. 0.6 mm thick 
Overhangs  Length < 1.0 mm; Min. 19° level

0.2 mm assembly connections

0.1 mm snug fits 

Engraving Min. 0.4 mm wide and 0.4 mm thick 
Embossed details Min. 0.1 mm height 
Holes Min. 0.5 mm diameter 


Lead Times

  • Typically 1-5 days

Please note, our SLA printing machines run throughout the weekend and we offer delivery all over the UK. 

If the material you need isn’t listed, we  order  material in for customers. 

Somos® EvoLVe 128

An ABS-like high-strength plastic available in white. 

Shore Hardness 82D
Tensile Strength 56.8 MPa
Tensile Modulus 2,964 MPa
Flexural Strength 74 MPa
Flexural Modulus 2,654 MPa
Heat Deflection Temp. 50 - 52°C
Elongation Break 11%


Somos® Waterclear

A transparent material with extraordinary optical clarity.

Shore Hardness 87D
Tensile Strength 56 MPa
Tensile Modulus 2,880 MPa
Flexural Strength 84 MPa
Flexural Modulus 2,490 MPa
Heat Deflection Temp. 43 - 47°C
Elongation Break 7.5%


Accura Xtreme Grey

A durable plastic available in grey.

Shore Hardness 86D
Tensile Strength 38 - 44 MPa
Tensile Modulus 1,790 - 1,980 MPa
Flexural Strength 52 - 71 MPa
Flexural Modulus 1,520 - 2,070 MPa
Heat Deflection Temp. 60°C
Elongation Break 14 - 22%


Accura Clearvue 

A moisture resistant plastic available in clear

Shore Hardness 84D
Tensile Strength 41 - 46 MPa
Tensile Modulus 2,030 - 2,220 MPa
Flexural Strength 53 - 67 MPa
Flexural Modulus 1,560 - 2,040 MPa
Heat Deflection Temp. 50 - 51°C
Elongation Break 4 - 7%


Accura 25

A general purpose plastic available in white that offers more flexibility than rigid plastics.  

Shore Hardness 80D
Tensile Strength 38 MPa
Tensile Modulus 1,590 - 1,660 MPa
Flexural Strength 55 - 58 MPa
Flexural Modulus 1,380 - 1,660 MPa
Heat Deflection Temp. 51 - 63°C
Elongation Break 13 - 20%

SLA Finishes

Grade 01

  • Post-curing (via UV light)
  • Remove support and bead blasting if required. (Please note, scarring with build layers is still visible ) 

SLA grade 01 finish grey_light fixture zoomed

Grade 02

  • Grade 01 finishes plus
  • Sanding remove build lines
  • No specific surface finish

SLA grade 02 finish grey_light fixture_zoomed in

Grade 03 

  • Grade 01 and Grade 02 finishes plus 
  • Sanding
  • Wet sanding
  • Priming
  • Spray painting
  • Polished to clear transparent resin or frosted
  • Surface finish can be specified as sparked, matt, satin, gloss
SLA grade 03 finish smooth grey-light fixture zoomed

SLA Printed Parts

SLA printed parts play a big role in odemand  manufacturing

3D printed parts are an ideal choice, if you require an end-use part due to demand volatility or  an unexpected delay in your supply chain

SLA_quick part_white

 The benefits of SLA printed parts are:  

  • High-speed 3D printing    
  • Part production repeatability 


Stereolithography is  a highly versatile 3D printing technique that bridges the gap  of rapid prototyping and on demand part manufacturing.

Its main benefits include:  

  • Fine detail and high resolution  
  • Precision 
  • Repeatability
  • Smoother  surface finish compared to FDM 
  • Cost-effectiveness 
  • Fast process  
  • Wide variety of uses 

Ready to build?

SLA prototype costs and SLA printed part costs vary depending on the complexity of the project.

Our experienced team will assess and then provide various price options to best suit your budget and requirements.