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Spline

point SPLINE (Command)

Creates a smooth curve that passes through or near a set of fit points, or that is defined by the vertices in a control frame.

First Point

Specifies the first point of the spline, either the first fit point or the first control vertex, depending on the current method.

Next Point

Creates additional spline segments until you press Enter.

Undo

Removes the last specified point.

Close

Closes the spline by defining the last point to be coincident with the first. By default, closed splines are periodic, maintaining curvature continuity (C2) along the entire loop.