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    Face won't reverse

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    • S Offline
      SchreiberBike
      last edited by

      What am I doing wrong here. I've got a component and I can't reverse just a few of its faces.


      Crescent Wrench 3.skp

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      • MarianM Offline
        Marian
        last edited by

        My bet is that the problem was cause by the size of your model. I made a component and scaled it up and then deleted that part of the model.


        Crescent Wrench 3.skp

        http://marian87.deviantart.com/

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        • S Offline
          sketchyarchitect
          last edited by

          It might be a problem with the settings on your computer because I was able to reverse the faces just fine. I have SU8PRO. if you have access too sketchup on another computer try it.

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          • jim smithJ Offline
            jim smith
            last edited by

            I zoomed in on the reversed triangles of you model, selected one face and hit delete several times, removing all but the last face, then it reversed just fine. I have had that problem before and found that somehow I had created additional coplanar surfaces. Once erased the remaining face responds properly

            "Out of clutter find simplicity,
            from discord find harmony,
            In the middle of difficulty lies opportunity"
            Albert Einstein

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            • TIGT Offline
              TIG Moderator
              last edited by

              This "several coplanar faces overlaid sharing one set of edges" has been reported before.
              Some sort of tolerance issue in v8 ?
              You can try grouping everything affected and immediately exploding it; or selecting the geometry and 'intersecting with selection'- to see if the jolt merges the faces... Otherwise deleting faces till only one remains is the solution... πŸ˜’
              The group - expolde method worked for me. There are a couple of internal 'partition' faces to erase and then it's a manifold solid, which has faces reversible and en mass orientable too... πŸ˜„

              TIG

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              • thomthomT Offline
                thomthom
                last edited by

                @tig said:

                This "several coplanar faces overlaid sharing one set of edges" has been reported before.
                Some sort of tolerance issue in v8 ?

                I've experienced this since I started using SketchUp - version 6.

                CleanUp has a feature that tries to find and erase duplicate/overlapping faces.

                Thomas Thomassen β€” SketchUp Monkey & Coding addict
                List of my plugins and link to the CookieWare fund

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                • Dave RD Offline
                  Dave R
                  last edited by

                  John, before you get finished with this component, you might want to adjust the edges of that end face. Take a look at the two scenes in the attached file. The guideline runs along the edge at the end of the slope. Notice the edges of the end aren't coplanar. I expect this is a big reason for the triangulation required to get the surface to fill.

                  I fixed it by replacing extending the round part and slicing it off with a cutting plane.

                  Edit: I moved this thread because it isn't a bug.


                  Crescent Wrench 3.skp


                  Crescent Wrench 3 fixed.skp

                  Etaoin Shrdlu

                  %

                  (THERE'S NO PLACE LIKE)

                  G28 X0.0 Y0.0 Z0.0

                  M30

                  %

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