To Convert 2D Polylines to 3D

Use the Convert 2D To 3D Polylines command to convert 2D to 3D polylines.

Use this utility if you need to modify the elevations of individual vertices of a 2D polyline. 2D polylines are coplanar objects. You can assign elevations to 3D polylines with the feature line elevation commands.

1. Click Modify tabDesign panelConvert 2D To 3D Polylines Find.
2. Select the polyline(s) to convert. Press Enter.