To Copy an Existing Material Definition
1. Select File ® Copy ® Material Definition. The Material Definition menu opens.
2. Highlight the material definition you want to make a copy of, and then press the Copy button.
3. Type the new name for the copied material definition, and then press ok.
Note:
Copying from an existing material definition saves valuable time. Once the information in the material definition has been copied, you need only to change the information that is different from the original definition.