Sketcher > Creating Sketcher Geometry > Creating Geometry from Model Edges > To Project a Curve or an Edge
  
To Project a Curve or an Edge
1. Click Sketch > Project. The Type and Select dialog boxes open.
2. In the Type dialog box, select an edge type:
Single
Chain
Loop
Move through the edge chain selections by clicking Next or Previous and Accept in the Menu Manager dialog box.
3. Select one or more edges to use. The curve is created and the Select dialog box closes.
 
* The Project tool works in Continue mode.