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Triad X Y Z? Y & Z are Backwards?

Question asked by Dan Bovinich on Jan 13, 2020
Latest reply on Jan 15, 2020 by Frederick Law

My co-workers and I were trying to remember why the SW triad points the way it does?


I contend that Z is up & down, X is left to right and Y is in & out. We had this discussion 20 years ago, I just don't remember why they have Y and Z backwards on the triad? 


As far as I know, all the machining industry has XYZ as I outlined above. I don't think automotive is like SW is either, they have Z as up and down.



What industry uses XYZ as SW uses it?


Thank you,

Dan B.



1) I wish you could change it.

2) I'm not trying to start an argument.