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Creating a group of features

The next solid feature to be created is an Extruded Cut to hollow out the PISTON.   In order to capture the desired dimensioning scheme for the cut, its sketch will be placed on a datum plane offset from the top surface of the model. 

We will start the Extrude tool and Pause it.  We will then create the datum plane and the sketch.  When the Extrude tool is Resumed and completed, the system automatically creates a Group in the model tree.  A group allows us to edit and manipulate several features as one.

Task 2-16. Start the Extrude tool and then create a datum plane on-the-fly.

  1. Start the Extrude Tool from the feature toolbar.
  2. Click Pause Feature  from the dashboard. 
    1. Notice the dashboard grays-out, indicating it is paused.
  3. Start the Datum Plane Tool from the feature toolbar.
    1. Select datum plane TOP from the model.
    2. Drag the offset handle downwards to 2 as shown in the following figure.
    3. Select the Properties tab from the Datum Plane dialog box.
    4. Enter OFFSET as the Name and click OK.


Creating a Datum Plane
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