To insert centerlines throughout a feature, select one cylindrical face. Each segment is an individual object and can be deleted separately.
![drw_centerline_manifold.gif](xmr1450449983380.image)
To insert a centerline in one feature, select a face.
To insert centerlines in all appropriate features, select the view in either the graphics area or the FeatureManager design tree.
![drw_centerline_view.gif](aop1450449983909.image)
To insert a centerline from the middle of the left side to the middle of the right side, select the top and bottom edges.
![drw_centerline_trapezoid.gif](tvz1450449984490.image)