The redlining process is a well-oiled machine.
Guiding you with an easy-to-use ribbon interface, the 3D Annotation for Inventor technology preview allows you to apply 3D Annotations: dimensions, geometric tolerances, surface finish symbols, datum symbols, and notes to your part model, which are then displayed in the graphics view.
So please let us know what you think of this functionality via [email protected] or the discussion forum.
Marking up without reverting to 2D is alive in the lab.