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    Chamfer a hole

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    • N Offline
      nlipovac
      last edited by

      I try using Curviloft, made offset of 200 on the flat side, and made a tube.
      Intersect with a curved surface.
      Create a copy of your curve on a curved surface, and copy the curve into an object, but on an orthogonal axis.
      Delete current curve and after that I used Curviloft.
      https://sketchucation.com/plugin/1175-curviloft


      My try

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      • L Offline
        Leggy
        last edited by

        wow impressive
        I have curviloft, could you do a tutorial to show me how you do it
        thanks Dean

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        • N Offline
          nlipovac
          last edited by

          Well, I was wrong!
          That chamfer should follow a curve and my idea of just offsetting the hole on the flat side is wrong.
          I will try and make a gif today by using Tools_On_Surface and Curviloft and post it today.

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          • Dave RD Offline
            Dave R
            last edited by

            If this part was being created out of metal, what method would you use to chamfer the edge of the counterbore?

            Etaoin Shrdlu

            %

            (THERE'S NO PLACE LIKE)

            G28 X0.0 Y0.0 Z0.0

            M30

            %

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            • N Offline
              nlipovac
              last edited by

              Hi, here is GIF in which I use ToolsOnSurface and Curviloft.
              I made it too big, first time creating one so this one I upload to my cloud service:
              https://1drv.ms/u/s!AkMAr9Me_-ODgYg5gAhaz5zX3bg45Q?e=oAgoRF

              What I did is recreate that portion with more segments on a curved surface to get a more smooth transition from a high count of segments on the hole to fewer segments on a curved surface.
              Hope it helps, maybe BOX or Dave gets something better. πŸ‘ 😎


              MyTry

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              • BoxB Online
                Box
                last edited by

                Nice Gif nlipovac, one thing, you may not need tools on surface as the second ring is also a circle so you could start with a double tube. I'd have to try it to be sure though.

                I, like Dave, am waiting for an answer to Dave's question, without knowing the actual method for making the chamfer in real life it is pretty hard to model it. A normal countersink tool wouldn't work, is it hand done with a dremil, cast, etc... the tool/method tells you what shape it can be.

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                • L Offline
                  Leggie
                  last edited by

                  Hi thanks for all the tips
                  I’m 3d printing the parts, they are special clips for holding parts to boat stanchions
                  There are 39 parts to the set

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                  • L Offline
                    Leggie
                    last edited by

                    Hi how do you open the file

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                    • N Offline
                      nlipovac
                      last edited by

                      @leggie said:

                      Hi how do you open the file

                      If you are talking about mine, it is the 2017 version of Sketchup.


                      My_Try

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                      • L Offline
                        Leggie
                        last edited by

                        I managed to open it through one drive
                        Nice piece of work πŸ‘
                        Thanks Dean

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