Importing 3D Props
If you want to use a 3D prop which is saved in a folder other than the default Template or Custom folders, you have to import the model.
To import a prop:
Click the Scene button.
Click the Props button.
Click the Modify tab.
Click the Import button in the Import Props field and browse to the location of the prop VNS file.
If you like to reserve the prop in the Custom tab, click the Add button.