Follow these steps to edit an existing geometry:
Select the geometry in the scene or highlight it in the object list under DESIGN.
Right-click on the object in the scene and choose Edit, or activate the Design tool in the toolbar.
Make the changes you want to the geometry, and when you're finished, press ESC or right-click in the scene and choose Finish editing.
Choose one of the following options in the dialog:
Save | The changes are saved in the geometry. |
Discard changes | All changes made to the geometry will be discarded. |