Drawing splines

A spline is an open or closed smooth curve defined by a set of points. You can use splines to draw curved lines, which cannot be drawn as a polyline.

The Spline tool is available on:

  • The Draw menu.
  • The Draw toolbar.
  • The Draw ribbon panel.
  • The Draw tab of the No Selection Quad.

General procedure

  1. Launch the SPLINE command.

    Prompts you: First point of spline:

  2. Specify a point.

    Prompts you: Second point:

  3. Specify a point.

    Prompts you: Set next point or [Close/Fit tolerance/Undo]:

  4. (option) Repeat step 3 to define more points.

  5. Right click to stop adding more points.

    Prompts you: Select starting tangent point:

    A line that is tangent to the spline displays dynamically from the start point of the spline.

  6. Click to define the starting curve of the spline.

    Prompts you: Select ending tangent point:

    A line that is tangent to the spline displays dynamically from the end point of the spline.

  7. Click to create the spline.