Stereolitography

At ADDform, we use SLA printing powered by the Formlabs Form 4L to rapidly produce high-resolution, high-quality resin parts. Advanced Low Force Display™ (LFD) technology precisely cures liquid resin layer by layer, delivering exceptional surface finish, fine detail, and accurate, production-ready results.

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Why choose SLA?

Stereolithography (SLA) – Powered by Formlabs Form 4L
‍Stereolithography (SLA) is a high-precision additive manufacturing technology used to produce parts with exceptional detail, smooth surface finish, and tight tolerances directly from 3D CAD data.

Using our Formlabs Form 4L, we deliver high-quality SLA parts with outstanding accuracy, repeatability, and surface quality. The Form 4L uses advanced Low Force Display™ (LFD) technology to precisely cure liquid resin layer by layer, resulting in highly detailed, dimensionally accurate parts with a superior finish.This process is ideal for producing complex geometries, fine features, and visually refined components that require minimal post-processing. From intricate design elements to full-scale prototypes, the Form 4L enables fast, reliable production across a wide range of resin materials.SLA parts produced on the Formlabs Form 4L are perfectly suited for high-detail prototyping, presentation models, functional testing, and low-volume production. With rapid turnaround times and consistent results, this technology is ideal for designers, engineers, and product developers who demand precision and quality.

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How Does SLA Printing Work?

The 3D model of the object is first created using Computer-Aided Design (CAD) software.
The model is then sliced into thin, horizontal layers using specialized software.
A tank filled with liquid photopolymer resin is exposed to a UV laser beam that selectively cures the resin in the shape of the first layer of the object.
The build platform is lowered into the resin, and the laser beam creates the next layer, which adheres to the previous layer.
This process is repeated until the entire object is printed.
6. Once the printing is complete, the object is removed from the resin and cleaned in a post-processing step.
Once the printing is complete, the object is removed from the resin and cleaned in a post-processing step.

Advantages of SLA

High accuracy and precision

SLA printing can produce highly accurate and precise parts, with tolerances as low as 0.05mm.

Smooth surface finish

The parts produced with SLA printing have a smooth surface finish and can be produced with intricate details.

Fast printing speed

SLA printing is typically faster than other 3D printing technologies, making it a good option for prototyping and small production runs.

Wide range of materials

SLA printing can use a variety of materials, including standard resins, engineering resins, and specialty resins.

High resolution

SLA printing can achieve high resolution, producing parts with details as small as 25 microns.

Applications

Jewlery - SLA printing crafts intricate designs in gold and silver
Dentistry - SLA prints dental models, guides, and aligners
Engineering and Prototyping - SLA produces functional prototypes and parts
Education and Research - SLA aids in creating research prototypes and models

Entertainment - SLA crafts figurines and collectibles for entertainment
Medical - SLA designs anatomical models, prosthetics, and implants.
Consumer Products - SLA makes phone cases, eyeglasses, and household items
Adchitecture and design - SLA creates architectural models, fixtures, and decor

Want to learn more about the materials used in SLA Printing?

Interested in learning more about the materials utilized in SLA Printing? Explore our dedicated page for insights into the various resins and their applications in achieving exceptional 3D printed results. Click here to expand your knowledge!

SLA Materials

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