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Stereolithography is a laser-based technology that uses a UV-sensitive liquid resin. A UV laser beam scans the surface of the resin and selectively cures the material. This is how the 3D part is built from top to bottom. The required support elements for overhangs and voids are automatically generated and later removed manually.


In stereolithography, an ultraviolet laser is used to create the components, the radiation of which locally hardens the thermoset resin. What is specific to the stereolithography process is that support structures are required that support the part during the construction process and connect it to the construction platform. In a first step, these supporting structures are applied layer by layer, and in the next step the actual component is created. After a layer has hardened on the resin surface, the build platform is lowered and a next layer of resin is applied. This process is repeated iteratively, layer by layer, until the construction process is complete.

SLA Drucker


Stereolithography is particularly notable for the flawless level of detail in the prints. Even the smallest details are printed precisely. This type of 3D printing is particularly suitable for visual prototypes, detailed small parts and patterns for mold production.

The printing itself is quick and efficient and requires little post-processing. SLA is therefore chosen for urgent and detailed projects.


  • Presentable components with smooth surfaces and fine details

  • Visual prototypes for photo shoots and market testing

  • Prototypes for limited functional testing

  • Master models for copying techniques such as vacuum casting processes

  • Alternatives for sheet metal prototypes when coated with metal electroplating

  • Model for investment casting

  • Production of complex geometries in small quantities

  • Components with high precision

Technical data


± 0,2 mm

Max. installation space

145 x 145 x 175 mm


Layer thickness

0.02mm - 0.2mm (depending on material)

Surface structure

Unprocessed components usually have visible build-up layers on the surface, but post-processing can achieve different effects, from high gloss to rough textures. Stereolithography components can be sandblasted, smoothed, colored/impregnated, covered or coated.

Minimum wall thickness

1mm - 3mm (depending on part dimensions)


  • High Temp - Photopolymer Resin

  • TOUGH - Photopolymer resin

  • Flexible - Photopolymer resin




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