Extracting Sketches
Click Front on the 2D to 3D toolbar, or click Tools, Sketch Tools, 2D to 3D, Front...Click the corresponding icon on the 2D to 3D toolbar or on the Tools, Sketch Tools, 2D to 3D menu...Click Auxiliary on the 2D to 3D toolbar, or click Tools, Sketch Tools, 2D to 3D, Auxiliary