Those look so familiar!
It seems like just a few hours ago our team was pressing those exact same gears on to our CIM motors!
They wouldn’t have anything to do with this white paper, now would they? 
Just remember, never say never! 
w0w. Your drawing is of award winning caliber?
Is that why it is in a diploma type holder? Nice.
That really is a good idea! we have had success with something very simular. I would argue that this is a little easier to do. (providing the machining capabilities are available.)
http://www.chiefdelphi.com/forums/pictures.php?&action=single&picid=9488