Everything Tracing Drawings with the Shift and Trace Tool Once you have shifted your reference drawing, you can start tracing over it with your preferred drawing tool. How to trace over drawings that you have shifted with the Shift and Trace tool In the Timeline or Xsheet view, select the drawing on which you want to draw. Do one of the following to extend the Onion Skin so as to include the drawings you want to trace over: In the Timeline view, click and drag on the Onion Skin brackets so as to make them include all the required drawings. . In the Camera view toolbar, use the Onion Skid Add One Previous Drawing , Onion Skid Reduce One Previous Drawing , Onion Skin Reduce One Next Drawing and Onion Skin Add One Next Drawing buttons. The drawings included in the Onion Skin will appear in the Camera view, in washed down red for previous drawings and washed down green for next drawings. In the Tools toolbar, select the Brush or Pencil tool. Using your drawing tool, trace over the washed down lines.