Is there an addon that will extrude perpendicular to an objects face or edges?

Is there not a function or addon that will extruc
de edges pependicular to the edges or face.? In the bottom picture I had to approximate the extrude manually. I need something precise. Thanks

Attachments



Transform orientation = Ctrl+Alt+space, Extrude that direction.

http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Modeling/offset_edges
or use custom orientations
www.blender.org/manual/editors/3dview/transform/transform_control/transform_orientations.html#custom-orientations
or temporary faces

Thanks Juha and thanks {--}! I will mark this as a favorite. Juha’s method works for now. I will have to check out {--} links later.