Creating a Sketch Use the Sketch Tool to create a Sketch feature.  The Sketch Tool uses a dialog box instead of the dashboard, so that sketches can still be created when the dashboard is open.

Task 2-14. Create PISTON_2.PRT, and then create a circular sketch.

1. Click New from the main toolbar.
   1. Enter PISTON_2 as the name, and click OK.
2. Click Datum Planes from the main toolbar to enable their display.
3. Click Datum Points , and Coordinate Systems from the main toolbar to disable their display.
4. Start the Sketch Tool from the feature toolbar.
   1. Select datum plane TOP from the model.
   2. Notice that in the Sketch dialog box datum plane RIGHT is automatically selected as the Reference plane, facing the Right.
5. Click Sketch, and sketch as shown in the following figure:
   1. Click Close from the References dialog box.
   2. Click Datum Planes from the main toolbar to disable their display.
   3. Click Circle from the sketcher toolbar, and sketch a circle as shown.
   4. Middle-click to stop sketching, and to allow items to be selected.
   5. Double-click on the dimension, type 21, and press ENTER.

Creating a Sketch

6. Click Complete Sketch  from the sketcher toolbar.