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    Spiral Doric Column

    Scheduled Pinned Locked Moved SketchUp Tutorials
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    • chippwaltersC Offline
      chippwalters
      last edited by

      @box said:

      Just like to point out that the default for Move is M, not T.
      And you don't need to use ctrl with follow me.

      I set my default to T so it will match some of my other programs. Thanks for the tip on follow me...I seem to remember in previous versions you had to press the CTRL key in order for Follow-Me to work if you previously had selected the path.

      Currently working with Cross-Reality technologies

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      • BoxB Offline
        Box
        last edited by

        I only mentioned the M versus T for users who may be watching your tutorial. T will bring up the tape measure by default and I can see beginners getting confused.

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        • HornOxxH Offline
          HornOxx
          last edited by

          @jim4366 said:

          ...where to get the "set center point" tool?...

          Hi, here you can find it:
          http://sketchucation.com/forums/viewtopic.php?f=323%26amp;t=11081
          It will add the entry "Add Centerpoint" in the Extension´s menu (no icon bar)

          never trust a skinny cook

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          • david_hD Offline
            david_h
            last edited by

            doric.jpg
            Fun little study. I have actually had all of these plugins in my arsenal for years, but sometimes you just forget to use em. Thanks for the tut.

            If I make it look easy...It is probably easy

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            • pbacotP Offline
              pbacot
              last edited by

              Nice job. Thanks for the line up on plugins! The other day just tried doing a basic tuscsan column (not the first time)and entasis by brute force. I should have used FFD.

              MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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              • C Offline
                CAUL
                last edited by

                @pbacot said:

                Nice job. Thanks for the line up on plugins! The other day just tried doing a basic tuscsan column (not the first time)and entasis by brute force. I should have used FFD.

                It's actually quite straight forward to construct a "canonical" entasis in Sketchup for any type of column - smooth or fluted. Canonical here means the recipe engraved in a wall at the temple of Apollo at Didyma (Turkey) some 2500 years ago. The method below is not exactly as described at the Temple of Apollo, but it's very, very close in practice.

                Set out an arc with the Pie tool (as in the first image below). Scale this arc all the way to the top. The resulting elliptical curve is the shape of the entasis. The shaft is usually straight the first third of the height and the entasis is only applied to the top two thirds.

                To construct an entasis on a fluted column it's possible to use Flowify twice. From the entasis curve, construct a quaded target surface. Construct a projection surface with the full width of the shaft and every quad with the exact same height as the corresponding quad on the target surface.

                Connect and group the surfaces into a Flowify support group. Make a copy of the group and rotate it 90 degrees and place it as in the second image below. Flowify a fluted column through the first support group. Flowify the result through the second support group. The entasis is now applied to both the x and y-dimension. Merge the entasis part into the full column.


                entasis.png


                flowify.png


                doric.png

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                • R Offline
                  rv1974
                  last edited by

                  Much closer to original 👍

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                  • chippwaltersC Offline
                    chippwalters
                    last edited by

                    @caul said:

                    It's actually quite straight forward to construct a "canonical" entasis in Sketchup for any type of column - smooth or fluted. <snip>

                    I've done two different tutorials on Flowify and even I had a hard time following this, but it is an ingenious use of the tool!

                    Currently working with Cross-Reality technologies

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                    • BoxB Offline
                      Box
                      last edited by

                      Do mine eyes deceive me or is there no spiral.

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                      • C Offline
                        CAUL
                        last edited by

                        @chippwalters said:

                        @caul said:

                        It's actually quite straight forward to construct a "canonical" entasis in Sketchup for any type of column - smooth or fluted. <snip>

                        I've done two different tutorials on Flowify and even I had a hard time following this, but it is an ingenious use of the tool!

                        I've added a highly exaggerated example file to show the basic principle.


                        entasisII.png


                        entasis(skp8).zip

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