M. To draw an internal contour
Used to define the openings or negative spaces within the cross section shape.
- Select either
- Click any point in the View window as the first vertex of the inner contour. A line is rubber-banded between this point and the mouse pointer.
- Click subsequent points to form additional vertices.
- Double click the final point once you have formed a closed geometric shape. The final point does not need to be a previously entered data point. The rubber band to the first point will give you a preview of what the shape will look like for any point in the View window. The shading inside of the shape is removed.
- Exit the internal contour drawing mode by either