...
Automatic Optimization
When 3Delight encounters a texture that is textures that are not optimized during rendering it will attempt to optimize it to optimize them automatically. These optimized textures will be are stored at the location specified in the 3delight.config configuration file (by default the folder is on the local machine but it's possible to direct it to a network location).
Note that Canveat: the optimized texture directory is per-user so file duplication will happen occur if many users render the same assets.
...