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Problem with symmetry

Vladimir
Hello colleagues
My problem is measuring symmetry, at the moment my A_A axis is a line of midpoints at 3.45 (point J) and 21.8 (point H). This is the center of the coordinate system x=0
I built planes from two opposite sides, created a set of them and measured the symmetry, but I got very strong deviations, although the x of this plane is not so bad.
I'm afraid it's an alignment issue, as the part itself is much more complex than what I've shown, but I hope I'm just not measuring the symmetry correctly.
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  • Create widths of the planes instead. Then create a common datum from A-A1. One of the datums really should be named something else than A.

    I am also questioning the use of two points as a common datum, since it seems that is not the intended usage of the part... but that could be answered by the designer.

    Yes, I would try that, but I can't figure out why when creating a width, I never see anything in the element selector


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  • Create widths of the planes instead. Then create a common datum from A-A1. One of the datums really should be named something else than A.

    I am also questioning the use of two points as a common datum, since it seems that is not the intended usage of the part... but that could be answered by the designer.

    Yes, I would try that, but I can't figure out why when creating a width, I never see anything in the element selector


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