This page exists within the Old ArtZone Wiki section of this site. Read the information presented on the linked page to better understand the significance of this fact.
The Preset Materials Library contains all the preset materials distributed with Bryce as well as presets you add. You can use the Preset Materials Library to add ready-made materials to your scene.
You can add and delete materials from the libraries, add and delete categories, and change the thumbnail preview image.
To access the Preset Materials Library, click quickly on the triangle icon next to the Edit button at the top of the Bryce window. Please note that if you hold down the mouse key for too long, the library will open, then close immediately. To keep the library open, click quickly on the triangle icon.