Import a 3D model from another application into a style catalog.
to open the Style Palette. For example, if you are adding a model of a tree, click the Vegetation catalog.
Click
at the bottom of the Catalog Editing window.
An entry with this name appears each time you add a new style.
Click the browse button next to the Model URI field and select the model file.
For example, to change the model's size, change the settings for the third row in the table. The preview area shows you the results of your changes.
and enter a new name. When you press Enter, the model is alphabetized by its new name.