To Add STL Elements

1. From the toolbar, click Add STL.
   Tip: You can also click Add on the STL Elements tab.
2. Browse for the STL file.
3. Click Open.
   

The STL file is automatically scaled to fit into the cell size. If the STL file you wish to insert is already part of your project, you can click and drag it from the parts section of the project tree to the cell.