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    Sketch a required profile.Use  Sketcher  to create a line in another plane than  that of the profile, created in the previous step. The line direction should different from the plane normal direction of the first sketch.
  
 Select first the sketch and then the line using Ctrl.
 Select Robot  and Upper dimension  . 
  
 To manipulate the geometry, drag  the Robot translator. The extruded surface  is created in direction of the line.  Press Esc to undo the last manipulation.Select both end points of the sketch using Ctrl and click Create Line  in the context toolbar.  A line is created between the corner points.  Select first  the sketch and then the line using Ctrl. Select Robot  and Upper dimension  . Rotate the Robot wheel. A  revolution surface  is created using  the line as revolution axis.   Click in the background to validate the command, exit the context toolbar, and to disconnect the Robot at the same time.
 
      
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