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    Length of 91.35mm instead of 91.36mm

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    • A Offline
      Alohaa
      last edited by

      Hello,
      in the attached screenshot you see a total length=91.35mm and the partial lengths 14.46mm + 16.02 mm +28.08mm + 16.02mm + 16.78mm = 91.36mm and not 91.35mm.

      I have checked the drawing for incorrect geometry. Is it possible that it is due to the limited precision of Sketchup? regardless of this drawing: what is the limit there?
      Kind regards
      Alohaa


      91.36mm.JPG

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      • BoxB Offline
        Box
        last edited by

        Sketchup is accurate, even to 6 decimal places of a mm. However it will round the display precision if you tell it to.
        In Window/Model Info/Units you can change the display precision, if you give it 3 decimals you should see correct dimensions.

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        • A Offline
          Alohaa
          last edited by

          Ok, thank you!
          Another thing: sometimes when I measure a simple length with the metre tape, only an approximate length is shown, e.g. ~35. What could be the reason for this?

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          • BoxB Offline
            Box
            last edited by

            Yes, it is best to set it to show fully what you need, and if you are seeing Tilde in the measurements then it is telling you that you don't have the display settings fine enough for it to display accurately.
            Be careful of working with such tiny dimensions, while sketchup is accurate it does have a tolerance at which it can see vertices as being the same and it can fail to form faces.

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            • A Offline
              Alohaa
              last edited by

              Ok, a late thanks.

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