Guide to SLA 3D Printing Post-Processing & Finishing

In this guide, we cover everything you need to know about the various SLA 3D printing post-processing methods available, and how to choose the right process for your application.

Stereolithography (SLA) 3D printing has become vastly popular for its ability to produce high accuracy, isotropic, and watertight prototypes and end-use parts in a range of advanced materials with fine features and smooth surface finish.

However, parts do not come out of the printer 100% finished: they often require post-processing. Every part requires a quick wash and many materials require a short post-cure. These two steps can be streamlined with post-processing equipment such as the Form Wash and Form Cure and the large-format Form Wash L and Form Cure L from Formlabs.

Additionally, some parts could also benefit from further steps like sanding, coating, plating, or media blasting. These post-processing methods can achieve a wide range of results, such as making parts better suited for outdoor applications through UV protection, or increasing the mechanical strength of a part by plating it in metal or a ceramic solution like Cerakote.

SLA 3D Printing Post-Processing white paper includes:

  • SLA Post-Processing Basics
    • Washing
    • Curing
    • Sanding
  • Overview of Advanced SLA Post-Processing Solutions
  • Media Blasting
  • Options for Coloring Resin 3D Printed Parts
    • Printing With Dyed Resin
    • Dyeing After Printing
    • Painting With Acrylic
    • Spray Painting
  • Options for Coating Resin 3D Printed Parts
    • Liquid Polymer
    • Ceramic Coating
    • Electroplacage

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