To Combine Curves
1. In the Model Tree, right-click the Style feature that contains the curve to combine, and choose Edit Definition. The Style tab opens.
2. Click Style > Curve Edit. The Curve Edit tab opens.
3. Click the collector, and select a curve.
4. Right-click the endpoint of the selected curve and choose Combine from the shortcut menu.
If there is more than one neighbor curve at the endpoint, you are prompted to select which curve to combine with the selected curve.
5. Click .