The solid view shows an orthographic project of the lens that allows you to rotate the viewpoint to view the lens from any angle. Fans of rays are plotted, this can be for any field, or for all of them. It is also possible to select which wavelength is plotted. This (and more) is set on the Options panel, which is summoned using the Options tool on the toolbar.
The surfaces and rays may be exported in DXF format.