By default, a spline passes through all of the control points. When you draw a spline, you can change this by specifying the fit tolerance. The fit tolerance value determines how closely the spline fits the set of points you specify. For example, a spline fit tolerance value of 0 causes the spline to pass through the control points. A value of 0.01 creates a spline that passes through the start and endpoints and within 0.01 units of the intermediate control points.
To specify the fit tolerance
1 Do one of the following to choose Spline ():
• On the ribbon, choose Draw > Spline.
• On the menu, choose Draw > Spline.
• On the Draw toolbar, click the Spline tool.
• Type spline and then press Enter.
2 Specify the first point of the spline.
3 Specify the second point of the spline.
4 In the prompt box, choose Fit Tolerance.
5 To accept the default of 0.0000, press Enter.
To specify a different fit tolerance, type the number, and then press Enter.
6 Specify the additional points you need to draw a spline or a closed spline.