To Create a Curvature Continuous Round
2. Under Dimension Scheme, select C2 Continuous from the cross section shape box. The following items appear:
◦ On the Round tab, the C2 shape factor and D conic distance boxes.
◦ On the Sets tab, the C2 shape factor box.
◦ In the graphics window, the shape factor and conic distance drag handles.
3. Enter a value from .05 through .95 in the C2 box, or drag the handle to the desired preview shape.
4. Enter a value in the D conic distance box, or drag the handle in the graphics window.
5. Click 
OK.
OK.