Plant 3D steelwork is showing up only as lines

Question

Plant 3D steelwork is showing up only as lines. How do I change it?

Answer

On the Parts panel of the Structure tab of the Plant 3D toolribbon, there is a dropdown list button on the right, above Settings. This button controls the display of steelwork, it has 4 options, Line Model, Symbol Model, Outline Model and Shape Model.