3D PDF is a great tool for those who might not have SOLIDWORKS to view the models.
This video will show you how to view 3D PDFs using Adobe Reader, which is a free program.
This video includes the following:
1. Open 3D PDF with Adobe Reader
2. Multiple Sheets and Viewports
3. Enable 3D Content
4. Switch Views
5. Cross Highlight from PMI to Model
6. Cross Highlight Bi-directionally between BOM and Assembly
7. Pan, Zoom, Rotate
8. 3D Measurement Tool
9. 3D Comment Tool
10. Change Background Color
11. Attach Files
12. Section Cut
13. Switch Render Modes