P.S.: I know it isn't perfect, so please stick to lock picking and don't bother nit picking.
That doesnt seem to hard to read at all, though dont get me wrong Im not a locksmith, and I know there are lots of more complex drawings...but the part in the original post about "figure out if it was perpendicular or orthagonal and dimension it?" is what I would have trouble with...
I know about tech. drawings from doing ALOT of CAD drawings for off-road frames, in case your wondering....Im not just talking out my rear.