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True Position of A Plane to an OD Cylinder.

Checking this on 2019 and everything works fine. Checking this on 2021 and it isnt' working so well.

I have 4 planes that have true position callouts to an OD cylinder datum A. I copied the program over from a CMM running 2019 at a CMM running 2021 and these position callouts are not working. When I open the true position dialog box, the planes are not in the feature side for selection. I'm sure this has something to do with the migration to 2021. Am I doing anything wrong? I also this dimension is also double dimension'd.

What do you all think?

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  • A plane is not a feature of size; therefore, per ASME Y14.5, a position specification on a plane is invalid. A planar feature should be located by a profile tolerance. XactMeasure used to allow for a position tolerance on a plane, but the new (2020 R2+) Geometric Tolerance command adheres to the industry standards and does not allow for it.
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  • A plane is not a feature of size; therefore, per ASME Y14.5, a position specification on a plane is invalid. A planar feature should be located by a profile tolerance. XactMeasure used to allow for a position tolerance on a plane, but the new (2020 R2+) Geometric Tolerance command adheres to the industry standards and does not allow for it.
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