To Edit the Definition of Geometry
1. In the Model Tree, select the Style feature that contains the geometry to redefine, and right-click and choose Edit Definition from the shortcut menu. The Style tab opens, and the geometry to redefine is listed in the Style Tree.
2. Select a curve, dropped COS, surface, or trimmed surface, and right-click and choose Edit Definition. Alternatively, double-click the entity to modify. The required tab opens.
3. Modify the entities as desired.
4. Click .