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Before

After

1. On the [Model] tab, go to and click ▼ at the side of [Sheet Body] .
   
   Then click [Circle] on the submenu.

2. Designate the startpoint.
   
   In the parameter input dialog box, enter Startpoint (X:25, Y:71, Z:9) and click .
   
    

3. Enter Radius: 10 and click .
    

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

5. On the [Model] tab, go to
   
   
   
   and click ▼ at the side of [Extrude] .
   
   Then click [Extrude with Taper] on the submenu.
    

6. Highlight the circle created at 4 and click to select.
   
   
    

7. Click in the parameter input dialog box.

8. Enter the Extrusion vector (X:0, Y:0, Z:-1) in the parameter input dialog box and click .
    

9. Reference point (X:25, Y:71.0..., Z:8) is the gravity center. Click .
    

10. Enter the Scale factor: 0.4 and click .
     

The truncated cone is now ready.