DAE 3D models are used in Unreal Engine to import 3D assets (characters, environments, props) while preserving animations, material links, and hierarchy from tools like Blender or Maya—streamlining integration into games, VR/AR, or cinematics without redoing setup work.
For example, a DAE file can bring an animated character into Unreal with its walk cycle and texture assignments intact, so you skip rework like re-animating or re-linking materials.
To use DAE models effectively, check Unreal’s import settings (e.g., “Import Animations” or “Preserve Hierarchy”)—this ensures assets load correctly and saves time fixing issues later.