Material presets are found in the KeyShot Library, Material tab.
The material presets you see are all created using a KeyShot Material Type. Each library material has been designed to be easy to use with as few parameters as needed. For example, the Metal library materials use the Metal material type and will only display the parameters needed for metal materials. Likewise, the Plastic library materials use the Plastic material type will have only the parameters needed for plastic materials.
KeyShot ships with 750+ materials ranging from cloths and leathers to metals, plastic and even smoke. The materials are arranged in folders
You can create your own materials use the library materials as a starting point to edit, copy and save your own materials.
KeyShot Cloud Materials
Thousands of KeyShot materials generated by Luxion, KeyShot partners and KeyShot users are available on KeyShot Cloud. You can access KeyShot Cloud from the far left side of the KeyShot Toolbar or at https://cloud.keyshot.com. Learn more about KeyShot Cloud here.
A KeyShot Content installer is available for KeyShot 8 users on both Windows and Mac. The installer contains high-quality materials with textures from Poliigon that have been excluded form the regular Keyshot installer because of their size. ...The materials in the Installer are the same as offered in the Content installer for KeyShot 7, but they have been updated to take full advantage of the improvements to KeyShot 8 materials....
After downloading, run the installer. During installation, the new resources will be added to your KeyShot Resource folder and visible in the KeyShot library, Materials tab next time KeyShot is launched. The new Poliigon folder will be added to your Materials folder.