It adds a new file system location to read the. You can also load your own assets into the Library by using the directory button ( ). Materials that have already been downloaded with any earlier V-Ray version remain unchanged and can still be loaded as a custom folder at \Documents\V-Ray Material Library on Windows. Use the Browse Materials in Cosmos button to access all available V-Ray Materials in Chaos Cosmos Browser. Please use the materials from the Chaos Cosmos Browser for any new projects. Starting with V-Ray 6, the V-Ray Preset Material Library is moved to the Chaos Cosmos Browser. This page provides information on how to manually load libraries in V-Ray for Rhinoceros.