First, see the original notes for [Instanced 3D Model](https://github.com/AnalyticalGraphicsInc/3d-tiles/blob/master/TileFormats/Instanced3DModel/README.md) and [Composite](https://github.com/Analytic…
- [x] Batched model - several models batched into one with per-model ids for interaction/metadata
- Use case: buildings
- [ ] Instanced model - several instances of one or more models with per-insta…