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    Helical Volute - How to finish this drawing

    Scheduled Pinned Locked Moved Woodworking
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    • D Offline
      drphil
      last edited by

      Sketchup file of helical voluteYou can see my previous post about how to draw clock ornamentation. With the help of Davidheim I figured out that the name of what I was trying to draw was a helical volute. There is next to nothing about drawing volutes in sketchup anywhere that I have searched or look. I am having trouble finishing to of the pieces of the included volute.

      I have drawn the spiral with the help of the plugins CurveMaker and Fredo6 Curviloft, but I cannot figure out how to make the eye (cylinder) top match the compound curve of the volute. I am trying to match the drawing to the picture included. The helix is drawn with the ionic volute.

      Secondly, not sure how to proceed to draw the curve that fills the inside of the helix like shown in the picture.i have tried some variations using extrude along rails but have not made what look right.

      Help and ideas would be appreciated


      picture of clock with volute to copy

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      • D Offline
        drphil
        last edited by

        here is a better picture of the original volute


        side profile of volute

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        • ely862meE Offline
          ely862me
          last edited by

          For a nice clean mesh I would work with curviloft. In that case you need to create a few curves before connecting them. Give it a few trials and it will work alright.
          For a fast result I would do the raw shape and the smooth with artisan.


          Temp a.skp


          Temp a.jpg


          clock details.skp

          Elisei (sketchupper)


          Before no life was done on Earth it was THE LIFE ITSELF...GOD
          Come and See EliseiDesign

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          • D Offline
            drphil
            last edited by

            Elisei Appreciate the drawings. What and how did you create the internal curves. I am going to have to recreate these with my CNC router and if you look at the volute the top of the eye is not a dome but a flat surface into blending into the edge of the spiral of the volute. Look at the second picture from the bottom. I have to recreate the exact 3d representation of this detail. That same detail is missing from the center piece volute. The detail and curve in the Z-axis if very important in reproducing this clock ornamentation.

            Any other help or ideas are appreciated.

            Thanks DrPhil

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            • D Offline
              drphil
              last edited by

              Here is my modifications of Elisei drawing of the volute. Still not quite happy with the flat top. some odd lines and curves with the smoothing. Still need to tweak the drawing.Any other ideas??


              TEMP B.skp

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              • ely862meE Offline
                ely862me
                last edited by

                Your model has a lot of inside faces which gives you that nasty subdivisio.

                I have drawn the curves with Curvizard or Bezier curves. Then you connect them with curviloft.
                Also you can used Bend plugin to create that volute.


                TEMP C.skp


                Detail .skp

                Elisei (sketchupper)


                Before no life was done on Earth it was THE LIFE ITSELF...GOD
                Come and See EliseiDesign

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