Yes: each 3D scan comes with up to 6 level-of-detail (LOD) meshes, where LOD0 has the highest number of polygons and LOD5 has the lowest. Each LOD has a tangent space normal map baked specifically for it, and thus you can use even the lowest LODs and still get quite adequate results. The LOD meshes are also suitable as mesh proxies for offline rendered scenes.
Do 3D scans come with LOD meshes?
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