3D Printing Services
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3D Printing Services

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Post-Processing

SLA Resin 3D Printing Post-Processing and Finishing

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.  Additionally, some parts could also benefit from further steps like sanding, coating, plating, or media blasting. 

 

Our Post-processing and Finishing Services

 

Spray Painting

Spray painting in 3D printing is used to enhance the aesthetic and qualities of 3D printed part. It applies a fine mist of paint using a spray gun or aerosol can. 

Spray painting provides a uniform and smooth finish and a wide range of color options based on Pantone color. 

Spray painting helps hide layer lines and minor imperfections efficiently and add protective layers.

Coating

Coating in 3D printing applies a protective or decorative layer to the surface of a printed object to enhance its performance and appearance. 
Coating improves the durability and aesthetics of 3D printed parts by increasing surface smoothness, adding color, and providing additional protection against environmental factors such as moisture, UV radiation, and abrasion. 
We offer Gray Primer Coating for SLA printed resin parts.

Electroplating

Electroplating involves depositing a thin layer of metal onto the surface of a 3D printed part through an electrochemical process. 

Electroplating enhances the surface finish of the as-printed parts, improving durability, conductivity, corrosion protection and aesthetics. 

It can coat complex geometries uniformly and is compatible with a wide range of base materials, with the potential to use different plated metals such as gold, silver, nickel, copper and brass.

Frosting

Frosting in 3D printing refers to a post-processing method used to achieve a fine, matte surface finish on transparent resin parts. 

The frosting process involves lightly sanding the surface of a printed part(, usually with sandpaper or similar abrasive material), to diffuse light and reduce transparency, creating a frosted appearance. 

It can conceal minor surface imperfections, enhance visual quality, and improve the tactile feel of parts, making them less slippery and easier to handle.

Translucency

Translucency refers to a post-processing method that converts a clear resin 3D print into a semi-transparent one, which diffuses light and reduces clarity, resulting in a frosted appearance. Translucency typically involves techniques such as sanding, chemical treatments, or applying a matte coating to the surface of the printed part. 

Translucency enhances aesthetics with a frosted look, masks imperfections, and improves visual quality for specific design aesthetics or functional needs.

Transparency

Transparency in 3D printing refers to a post-processing method designed to make clear resin 3D prints shiny and glossy, thereby enhancing their visual clarity and appeal. 

Transparency treatments typically involve sanding and applying a clear coat to smooth the surface and reduce light scattering. 

It produces a highly reflective, glass-like surface that highlights the intricate details of the 3D prints. 

Transparency is ideal for applications where optical clarity is required.