Menu: Draw / Planes / Perpendicular Plane

Toolbox Icon:

Creates a plane perpendicular to any given point on a line or curve.

Point 1: Existing line

Point 2: Point on the line to form the center of the plane

You can set the width of the created plane in the Plane Width field.

Set a point on the existing line. Then set a point toestablish the location of the plane.