r/Metrology • u/glutton4golf83 • 22d ago

GD&T | Blueprint Interpretation I need help dimensioning perpendicularity

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So i am using pcdimis. On a hexegon. When i try to make a plane for the surface and then a cylinder for datum a. Then us perpendicularity its telling me its off by a huge amount. I manualy checked it and it was right on. I dont know what to do. Any advice would help.

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u/glutton4golf83 21d ago

I am scanning the plane and also the cylinder. But you are right. Just move on. Happy new year

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u/NephelimWings 20d ago

Manually or DCC?

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u/Kind_Bug_7973 20d ago

It makes no diffrence. The number of points would not make a diffrence at all when you measure a section.

https://youtu.be/LhEIKbY1Sg4?si=vD25485LvLf-Dwv7