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Iterative alignments (again)

TrueBlade87
Hello all,

Been reading a lot of posts on iterative alignments which seem to cause some confusion, but once cracked have shown good, repeatable and reproducible results for me!
Alas, moved on the next part number of blade, and no matter what I do I get the ever so helpful “iterative alignment error” message!
This second batch of blades has a much steeper blade angle, so I am thinking the sets of datum points are not 90degrees to another, however these are taken from the CAD model! To confirm my theory if I tweak the vectors it runs, but now I’m not approaching the points correctly?
Anyone ever come across this?
Thanks I’m advanced!
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  • No worries Neil, hope you had a good break?
    Just to update! The design team didn’t want us to use the Datum targets after all, wanted us to use a 3-2-1 alignment on some nice, lovely perpendicular planes!
    The 11mm apart requirement remained though, I can’t share the drawing unfortunately, it’s a conical shaped dovetail, at a fixed distance from the edge/datum we scan down the dovetail face on both sides, out of those points we have to fix somehow a distance of 11mm across the faces, this distance is apparently the exact distance the dovetail locates into the female dovetail, appreciate this is tricky to understand without a drawing!
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  • No worries Neil, hope you had a good break?
    Just to update! The design team didn’t want us to use the Datum targets after all, wanted us to use a 3-2-1 alignment on some nice, lovely perpendicular planes!
    The 11mm apart requirement remained though, I can’t share the drawing unfortunately, it’s a conical shaped dovetail, at a fixed distance from the edge/datum we scan down the dovetail face on both sides, out of those points we have to fix somehow a distance of 11mm across the faces, this distance is apparently the exact distance the dovetail locates into the female dovetail, appreciate this is tricky to understand without a drawing!
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