The answer isn’t nearly as simple as SLA versus DLP. Understanding pixel-shifting and grayscaling technologies, which harmoniously anti-alias 3D objects, can help discerning business customers decide.

Not all forms of 3D printing are created equal—and that truth is also evident to the visible eye within individual 3D printing processes as well. Novices to the field sometimes debate whether SLA (stereolithography) or DLP (digital light processing) is a superior technology for final 3D printer performance. Even within the processes of SLA or  DLP there are significant differences in technological approach and therefore final product. When looking for the fastest, most accurate 3D printer with the best resolution and final surface finish, it’s important to dig into these details, especially when business performance is on the line. Why? Because post-processing is the dirty little secret of 3D printing.  No one wants to invest time and money using a 3D printer for parts only to sacrifice those savings after the build is complete with extensive cleaning, sanding and polishing.

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