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    Tractrix Curve/Horn

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    • 5 Offline
      5stardog
      last edited by

      Hi everyone. Very new to SU.

      I have been able to draw several items with no problem.

      I am now trying model a tractrix horn. The profile has been calculated and successfully plotted with guide points. I have connected the GPs to create the tractrix curve. The top and bottom are flat and have the curve cut out. The sides extend from top to bottom along the tractrix flare. The sides start at 50.8mm and increase in height to 226mm.

      I have tried several plugins and tools. My approach has been focused on push pull but unsuccessful so far. The sides are is aligning and mating correctly with the top.

      I have attached the drawing and pictures

      Any suggestions would be appreciated.

      Thanks,
      Tony


      picture of what I am trying to build


      PDF of concept


      SK Drawing incomplete


      Traxtrix Horn.skp

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      • 5 Offline
        5stardog
        last edited by

        You are amazing. Thank you so much. I have pulled my hair on this for weeks.

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        • KrisidiousK Offline
          Krisidious
          last edited by

          Like this?

          I just used the line tool to follow your guides.
          then I welded the lines.
          then I extruded the line straight down.
          then I mirrored the line/vertical plane.
          then i created a flat plane
          then I grouped it.
          then I rotated it into alignment with top guides
          then I copied it down.
          then I rotated it to match the bottom guides.
          then I intersected all the geometry.
          then I cleaned it up.
          then I applied cadyou.com orange wood

          horn.JPG

          Horn 3D.skp

          By: Kristoff Rand
          Home DesignerUnique House Plans

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          • KrisidiousK Offline
            Krisidious
            last edited by

            to follow my method you'll need some plugins.

            weld. Rick Wilson - http://www.smustard.com/script/Weld
            mirror. TIG - http://sketchucation.com/forums/viewtopic.php?p=276512#p276512
            extrude edges TIG - http://sketchucation.com/forums/viewtopic.php?p=217663#p217663

            You're welcome. Never pull your hair out for weeks. Always come here and post. Someone will be around to help out soon.

            By: Kristoff Rand
            Home DesignerUnique House Plans

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            • 5 Offline
              5stardog
              last edited by

              I had everything but the mirror. Thank you again. Incredibly helpful. Now I am making all the surfaces 18mm and adding some joining details.

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              • KrisidiousK Offline
                Krisidious
                last edited by

                awesome... make sure to post updates.

                By: Kristoff Rand
                Home DesignerUnique House Plans

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