| 1. | Select the Surfaces panel, torus partial subpanel. |
| 2. | Click on the center collector and select a node from the graphics area. |
| 3. | Click on the normal collector and select a node from the graphics area. |
| 4. | Click on the major axis collector and select a node from the graphics area. |
| 5. | Set the major radius method to determine how the major radius is specified. |
| • | Enter the major radius value. |
Or
| • | Use the major axis node. |
| 6. | Enter the major start angle value. |
| 7. | Enter the major end angle value. |
| 8. | Set the minor radius method to determine how the minor radius is specified. |
| • | Enter the minor radius value. |
Or
| • | Use the normal vector node. |
| 9. | Enter the minor start angle value. |
| 10. | Enter the minor end angle value. |
| 11. | Click create. |
| 12. | To undo, immediately click reject. |