| Step 1. | Choose Surfacing tab→Surfaces group→Replace Face list→Divide Part  | |
| Step 2. | On the Divide Part dialog box, click an existing division and then click the Insert button. | |
| Step 3. | Click a reference plane or construction surface to define where you want to divide the part. | |
| Step 4. | Click to define the cutting direction. | |
| Step 5. | On the command bar, click Finish. | |
| Step 6. | On the Divide Part dialog box, in the Filename column, type in the name for the new part document. | |
| Step 7. | Click the new division, then click the Save Selected Files button. | 
Note:
If any parts need to be updated after the new division is inserted, it will be reflected in the status column. To update a part, select it, then click the Save Selected Files button.