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1. Create circle for the rotor core.
   
   On the [Model] tab, go to and click ▼ at the side of [Sheet Body] .
   Click [Circle] on the submenu.

2. Designate the center.
   
   In the parameter input dialog box, enter Center (X: 0, Y: 0, Z: 0) and click .
   
    

3. Tips on the parameter input dialog box
   
   If the input value is nil, you don't need to enter 0 in the entry field. The blank is acceptable.
   
   Press the <Tab> key to hop around the items in the dialog box.
   Press the <Enter> key on to proceed to the next setting.
   

• Another way to input parameters is,
  instead of the numerical entry explained above,
  you may click on the target coordinates on the modeling window.
  
   

3. Set the radius.
   
   Enter Radius: 27.5 and click .

4. Click in the parameter input dialog box and exit.
    

5. You can also exit by pressing the <Esc> key.

The circle has been created.

• To fit the model on the modeling window, on the [Model] tab,
  
  go to
  
  and click [Fit] .
  
  See [Viewpoint Operation] for the details.
  

5. Cut the lower part of the body.
   
   On the [Model] tab, go to
   
   
   
   and click [Cut] .
   
   (Alternatively, right-click the mouse. On the appearing menu, select [Deform]-[Cut])

6. Highlight the circle and click to select it on the modeling window.
   
   Click in the parameter input dialog box.
   

7. In the parameter input dialog box, enter Point on Cutting Plane (X: 0, Y: 0, Z: 0) and click .
    

8. Enter Normal Vector of Cutting Plane (X: 0, Y: 0, Z: 1),
   select [Keep bodies in the positive normal direction only] and click .
   

• When [Keep bodies in the positive normal direction only] is selected, bodies not in the positive normal direction will be deleted after the cut.
  
  

9. The rotor core has been created.
   Click in the parameter input dialog box and exit.

10. You can undo or redo the operation. The operations can be changed as follows;
    
    On the [Model] tab, go to
    
    
    
    and click [Undo] to undo the modeling or attribute operation.
    
    and click [Redo] to redo the modeling or attribute operation.