Selecting the solid chamfer route

If you are working in wireframe view, you can hold the intelligent cursor over the edges to discover which ones can be used to create a chamfer. If an edge or a path is highlighted, you can use it.

If one of Follow Continuous Edges, Chamfer a Face or Chamfer Away From A Face is selected and you hold the cursor over a valid edge, a path may highlight. Otherwise, the single edge highlights. Full details on these options are given below.

You can select, append, or deselect edges to an existing path as follows: