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    Follow-me twist problem

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    sketchup
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    • T Offline
      thegoodguy
      last edited by

      And the winner is ... Curviloft

      Excellent solution pilou. Thank you v much. The perfect shape and a perfect solid with no complex intersections to fix.

      winner.JPG

      Should fit snuggly against this lovely little Edwardian engagement ring.

      ring.jpg

      Thanks again, everyone.

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      • BoxB Offline
        Box
        last edited by

        If you are doing a lot of jewelry it would be well worth your time to look into using vertex tools and true bend. It makes it easy to create rings from non symmetric geometry. And you can be as detailed as you need as long as you model cleanly. This required no cleanup after the bend except the removal of the double inner faces at the join. I only used 96 segments but you can easily go to the 200 you were using if need be.

        https://i.imgur.com/dNgiCt6.gif

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        • T Offline
          thegoodguy
          last edited by

          Hi again,

          Upon closer inspection, although the solidness is good and the profile alignment is good along all of the "straight" section of the rail, using Curviloft, the profile does twist on the shaped part of the rail. Back to TrueBend and solid-fixing. Scaling up x1000 reduced the errors to only 3 ... phew.

          Just thought you might like to know.

          x-section-curviloft.JPG

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          • pilouP Offline
            pilou
            last edited by

            Maybe we can try something...
            Post the file of Profils and Rails in dxf format and let see that Moi3D (nurbs) will made as result in SKP format export...

            ...not sure...of the result πŸ˜„ (it's not your file just a test)

            Here the structure of export SKP

            humhum.jpg

            Reloaded in SU
            more_poly1jpg.jpg

            I must ask more polygons in export! πŸ€“ (rendered as SKP file)

            morepoly.jpg

            This time edges are perfect! (for an SKP file) πŸ˜„

            more poly2.jpg

            Frenchy Pilou
            Is beautiful that please without concept!
            My Little site :)

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            • T Offline
              thegoodguy
              last edited by

              Hi pilou,

              Rail and profile DXF file uploaded.

              Thanks


              rail+profile.zip

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              • pilouP Offline
                pilou
                last edited by

                Next version of Moi (V4) will be more adapted for erase problems of the DXF!

                Another thing : i must reduce the number of Control Points of the curves!
                Or even redraw over it...
                (Whithout change the form of course! )

                GIF_numerous points.gif

                GIF_numerouspts2.gif

                sharp_angle.jpg

                Frenchy Pilou
                Is beautiful that please without concept!
                My Little site :)

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                • pilouP Offline
                  pilou
                  last edited by

                  OK: reloadable! πŸ˜„

                  Just a question : does the section is on the good place or must be placed like that ?
                  Or by it's gravity's center ?

                  GIF_as_that.gif

                  Frenchy Pilou
                  Is beautiful that please without concept!
                  My Little site :)

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                  • T Offline
                    thegoodguy
                    last edited by

                    Looks good pilou.

                    I finally got it done using TrueBend.

                    Thanks.

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                    • pilouP Offline
                      pilou
                      last edited by

                      With section on the middle side ... path with 20 points against 200 points! πŸ˜‰

                      https://images2.imgbox.com/6d/47/hMrcKzRK_o.gif

                      Frenchy Pilou
                      Is beautiful that please without concept!
                      My Little site :)

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                      • pilouP Offline
                        pilou
                        last edited by

                        Just for be sure : your dxf was made directly from SketchUP or from another program ?

                        Frenchy Pilou
                        Is beautiful that please without concept!
                        My Little site :)

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                        • pilouP Offline
                          pilou
                          last edited by

                          Many regulates can be done... πŸ˜‰
                          This structure will be the SKP structure! πŸ€“

                          https://images2.imgbox.com/da/64/BAQAY5NM_o.gif

                          Here one...(skp file rendered)

                          https://images2.imgbox.com/2d/cf/OGGhxqR7_o.jpg

                          ps SKP linked


                          pinky_ring.zip

                          Frenchy Pilou
                          Is beautiful that please without concept!
                          My Little site :)

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                          • T Offline
                            thegoodguy
                            last edited by

                            @pilou said:

                            Just for be sure : your dxf was made directly from SketchUP or from another program ?

                            Hi pilou,

                            Yes, it was exported from SU.

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                            • pilouP Offline
                              pilou
                              last edited by

                              Thx for the info!

                              Dxf from SketchUp are specific because curves are polylines so numerous "control points" !
                              Maybe Circles and Arcs can be exported as real curves...

                              With this one by Joergberg πŸ€“ (for SU Make)
                              So circles and arcs are not "segmented" ! 😎
                              dxf.jpg

                              As we can see for the circle...that is a true curve!
                              dxf1.jpg

                              Frenchy Pilou
                              Is beautiful that please without concept!
                              My Little site :)

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