The material library contains preset materials, as well as any custom materials
        you've saved. Understand the material library's structure so you can more easily find
        materials.
        
        Material Library Structure
                
                    - The Altair library contains preset materials.
 
                    - The User library contains any custom materials you've
                        saved.
 
                
             
The material library is structured as follows:
 
For example:
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