Stereolithography (SLA)

Industrial grade resins for general prototyping, functional parts and master patterns

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High-Detail Industrial Resins

Parts built in 2-5 business days

Stereolithography (SLA) is a 3D Printing method that uses a large vat of liquid photopolymer resin. Layers are cured by ultraviolet laser through a process called vat photopolymerization to solidify the pattern layer by layer. This industrial process offers the industries highest precision and speed with minimal need for support structures and post processing.

Forge Lab's industrial SLA offers one of the largest build envelopes commercially available, capable of producing parts up to 1500 mm (59 inches) in length with the industries highest print tolerances. SLA is an ideal process for printing prototypes, master patterns, tools, molds, dies, jigs, fixtures or any application where surface finish, accuracy and product aesthetics are critical.

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Materials | Stereolithography 

Accura Xtreme White 200

Exceptionally Strong & Durable

Accura Xtreme White (XTW) is an exceptionally tough industrial grade resin offering both strength & rigidity for demanding applications. Accura XTW is a highly versatile resin that is ideal for a number of applications including concept models and functional assemblies that require high fatigue resistance such as snap fits & enclosures. The outstanding surface finish and detail makes this resin also ideal for creating master patterns for vacuum casting & molding.

Colours Available: White

Tensile Strength

50 MPa

Tensile Elongation

20 %

Flexural Strength

79 MPa

Impact Strength

66 J/m

Heat Deflection (@ 0.45 MPa)

47 °C

  Download Material Data Sheet

Advantages of Stereolithography

  • Rapid Turnaround

    The large build capacity can easily accommodate large quantities for rapid turnaround in as little as 1- 3 business days.

  • Versatile

    Create smooth & durable detailed prototypes & functional parts that convey final-product aesthetics..

  • Highly Accurate

    SLA is capable of reproducing details down to 0.050mm

  • Superior Surface Finish

    Ultra high-resolution parts with very fine features and a smooth surface finish comparable to injection molded parts.

  • Large Build Capacity

    The largest HD Printing technology capable of high resolution prints up to 59 x 29.5 x 21.6 inches in a single build tray.

  • Material Selection

    Clear and opaque, rigid materials, simulated polypropylene, and specialized photopolymers for dental and medical industries.

Design Guidelines | Stereolithography

  • Minimum Wall Thickness

0.8 mm

  • Minimum Detail Size

0.4 mm

  • Minimum Drain Hole Size

3.5 mm 

  • Minimum Text Size

0.3 mm

  • Maximum Build Size

1500 x 750 x 550 mm (59 x 30 x 22 in. )

  • Minimum Hole Size

0.5 mm

  • Layer Height

50 μm - 100 μm

  • Tolerences

± 0.2mm for full model size

See Full Design Guidelines

Case Studies | Stereolithography

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Guide to Painting Resin Parts

Published 10/15/2019

Parts 3D printed with SLA technology have a smooth surface right out of the printer. This guide breaks down the post processing steps required to paint & finish SLA parts and give them a final product aesthetic.

Read Case Study
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Prototyping the New Tim Horton's Lid

Published 10/15/2019

In 2017, design company One Twenty Three West came to Forge Labs with a tight deadline and a challenge - to help them prototype a redesign of the classic Tim Hortons lid

Read Case Study