Start sketching in the view, and when
the dialog box appears, set Type to Overlay and adjust
the size and resolution parameters.
NoteAnnotations on overlay
planes appear only for a specific view orientation. Tumbling, tracking
or dollying the view will remove the annotations. Click on the name
of the overlay plane in the Construction Plane Editor, or
click the Look-at icon at the top of the Canvas
Layer Editor to see the annotations again, or create
not forget that tumbling, tracking or dollying in a perspective
view will remove all sketch annotations. Select the overlay plane
in the Construction Plane Editor (Windows > Editors > Construction Plane Editor ) to return to the annotated
view, or create a bookmark.