Controls deletion and trimming options when rebuilding a NURBS surface.
| Type: | Integer |
| Saved in: | Registry |
| Initial value: | 1 |
| Value | When you use CVREBUILD: |
| 0 | The original surface is not deleted and trimmed areas are not applied to the rebuilt object. |
| 1 | The original surface is deleted and trimmed areas are not applied to the rebuilt object. |
| 2 | The original surface is not deleted and trimmed areas are applied to the rebuilt object. |
| 3 | The original surface is deleted and trimmed areas are applied to the rebuilt object. |