To Offset Multiple Planar Curves
1. In the Model Tree, right-click the Style feature that contains the planar curves to edit, and choose Edit Definition. The Style tab opens.
2. Select one or more planar curves
3. Click Style > Curve > Offset Curve. The Offset Curve tab opens.
The surface or the plane on which the curve lies is the reference to specify the initial direction of the offset.
4. If required, to offset the curve perpendicular to its reference, select the Normal check box.
5. To change the offset distance, perform one of these actions:
Type a new offset value in the Offset box.
Type a negative value in the Offset box to reverse the direction of the offset.
Drag the handle on the selected curve.
Double-click the offset value in the graphics window and type a new offset value.
6. If required, to export the offset value for modification outside Style, select the Offset check box.
7. Click .