Introducing the Scene API in APS Viewer petr.broz@auto… 7 Aug 2026 Petr Broz Share If you’ve ever added custom 3D content to APS Viewer , you’ve probably run into this. You start with overlays because it’s the simplest option, then watch your frame rate drop as you add more content. So you switch to the Scene Builder extension, which renders progressively, but now you’re dealing with a different set of types and no object tree.