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Drawing splines

A spline is a smooth curve defined by a set of points. You can use splines to create sculptured shapes such as the cross section of a turbine blade or an airplane wing.

To draw a spline

  1. Do one of the following:
    • Choose Insert > Spline.
    • On the Draw 2D 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. Specify as many more points as you want.
  5. When you have finished, press Enter.

You can add tangents to the spline, which are lines that give it shape.

To add tangents to a spline

  1. Specify the starting tangent point.
  2. Specify the ending tangent point.

 

 

Spline.

Spline with starting tangent point (A) and ending tangent point (B).

Drawing a closed spline

Specifying fit tolerance

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