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Polygon question - hex longer than width; datum feature; True Position

wish2bflying
First post; be gentle. …

I've been given this shiny turd. The hex length is greater than the width. I've constructed a width feature across the two hex shapes to use as my Datum B "feature of size", but I'm a little stumped on how to report the TP of the polygon when it doesn't show the size properly. Have I missed some feature where I can tell PC-DMIS that the hexagon shape is longer than it is wide? You can see the points I've taken that show the true shape of the hex shape. I thought there might be a "constructed polygon" option, but I haven't found it yet.

I've searched the forum but didn't find anything like this. Most of the discussion of polygons is of regular shaped ones.




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  • The only things actually being toleranced are the two widths, there is nothing controlling the 60° sides (unless there is a general profile requirement somewhere else on the drawing). It looks like you're using 2020 R2 from your screenshots. If so, you can construct a 1D width feature to represent the 37.1 width. You would need to intersect the two 60° lines at each end of your shape and then construct a 1D inner width from the intersection points.
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  • The only things actually being toleranced are the two widths, there is nothing controlling the 60° sides (unless there is a general profile requirement somewhere else on the drawing). It looks like you're using 2020 R2 from your screenshots. If so, you can construct a 1D width feature to represent the 37.1 width. You would need to intersect the two 60° lines at each end of your shape and then construct a 1D inner width from the intersection points.
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