So I've been using basic 3-2-1 alignments or working with parts that only have 1 datum. Today, however, I have a part that has 3 datums, a flat surface on the top of the part and two through holes. And then there's two diameters around the through holes that are recessed but not through, if that makes sense, and these holes have run out to ABC on them. What kind of alignment do I need to do to be able to get run out to all 3 datums? I've attached a rough picture to hopefully help explain better.

This is how far I've gotten: level to A, construct diameters for B and C and then create a line to use for a rotation line. But then do I use one circle as my XY origin or the rotation line? And then how do I recall all 3 datums for my runouts? If I just set each of them as a datum will PCDMIS understand or do I need to do something special?

Thanks!

This is how far I've gotten: level to A, construct diameters for B and C and then create a line to use for a rotation line. But then do I use one circle as my XY origin or the rotation line? And then how do I recall all 3 datums for my runouts? If I just set each of them as a datum will PCDMIS understand or do I need to do something special?

Thanks!

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