When projecting 3D elements, remember the following points:
- The element to be projected can be either a 3D face, an edge or
a vertex. It cannot be a body.
- Selecting a face results in selecting its boundary edge(s).
- The projected geometry is created in the current view.
- The projected geometry is not necessarily a single element; distinct
elements are created corresponding to each selected edge or vertex.
- If the selected element is invalid or if the projection is not properly
performed, an error message is displayed.
- Be careful when multi-selecting a mix of 2D and 3D elements to project.
Indeed, in this case, 2D elements are projected only if they are located
in the view background; in other words, any 2D element located in the
foreground of the view will not be taken into account.
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