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
- Do one of the following:
Specify the first point of the spline.
Specify the second point of the spline.
Specify as many more points as you want.
When you have finished, press Enter.
- Choose Insert > Spline.
- On the Draw 2D toolbar, click the Spline tool ().
- Type spline, and then press Enter.
You can add tangents to the spline, which are lines that give it shape.
To add tangents to a spline
- Specify the starting tangent point.
- Specify the ending tangent point.
Spline with starting tangent point (A) and ending tangent point (B).
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Drawing a closed spline
Specifying fit tolerance