# Reprojection, Compression & Merging

### Reprojection

To reproject a 3d tileset to another CRS you can use the [py3dtilers](https://github.com/VCityTeam/py3dtilers/tree/master) tool.

### Compression
To compress a 3d tileset using draco you can use [3d-tiles-tools](https://github.com/CesiumGS/3d-tiles-tools).

### Merging
To merge multiple 3d tilesets together you can use [3d-tiles-tools](https://github.com/CesiumGS/3d-tiles-tools).