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    [Tutorial > Modeling] Helical Dome

    Scheduled Pinned Locked Moved SketchUp Tutorials
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    • I Offline
      Iglesias
      last edited by

      Hello vinnie,

      When you make circles, circumferences or arcs, SketchUp shows you the number of sides, by defect 24 for circles and 12 for arcs, you can change typing the number of sides you want, previously of typing the dimension of the circle or arc.

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      • V Offline
        vinnie
        last edited by

        I see. thanks Iglesias. So to make the shape shown on starting slide. I create a circle (with 24 segments as default), then draw a circle each snap to midpoints, then delete anything unwanted to create the shape.

        Just wondering if sketchup got a function like array (or polar array) just as in autocad, which makes life a lot easier when rotating things(or copying).

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        • GaieusG Offline
          Gaieus
          last edited by

          Hi Vinnie,

          Read more about "Radial arrays" here
          http://download.sketchup.com/sketchuphelp/gsu6_win/Content/D-Modification_Tools/ModTool-Rotate.htm
          and "Linear arrays" here in SU:
          http://download.sketchup.com/sketchuphelp/gsu6_win/Content/D-Modification_Tools/ModTool-Move.htm

          (About 2/3 down on either page)

          Gai...

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          • N Offline
            nlx
            last edited by

            Can someone tell me how to make an helicoidal stairs ?

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            • pilouP Offline
              pilou
              last edited by

              And if you want make in the same time Size, Rotate, Movement, take a look to GROW by Tig

              http://www.pushpullbar.com/forums/attachment.php?attachmentid=45449&stc=1&d=1223644800

              http://www.pushpullbar.com/forums/attachment.php?attachmentid=51795&stc=1&d=1239204608

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

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              • TIGT Offline
                TIG Moderator
                last edited by

                Here's a helical [spiral] stair step-by-step example using 'Grow'. [Sorry for the terrible pun on 'step' !]

                However, you can do it all by hand - if you have the patience. First make a component tread, rotate+copy it around the required angle/times [15degrees x 15nr], then select all treads except the original [tread1] and move them up by the riser height [in the example it's 170mm], then de-select tread2 and move the rest up by the next riser, de-select tread3 and move the rest up etc etc, until they are all at the desired heights. All 'Grow' does [in this example] is copy/rotate/move-in-Z - all in one-step which will save you time...


                GrowHelicalSteps.skp

                TIG

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                • N Offline
                  nlx
                  last edited by

                  I find this method incridbly usefull but i will check your plugin too…

                  Error 404 (Not Found)!!1

                  favicon

                  (sketchup.google.com)

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                  • A Offline
                    August
                    last edited by

                    That 3D Warehouse file is from an Official Google SketchUp Blog entry from July 3, 2009, at http://sketchupdate.blogspot.com/2008/07/building-spiral-stairs.html
                    Nearly all of the comments on that Blog item are spam.

                    Does anyone know how, who, or where to report such spam and get it cleaned up? I ran the Chinese post through babelfish and it's clearly advertising adult content, on the blog site since November.

                    “An idea, like a ghost, must be spoken to a little before it will explain itself.”
                    [floatr:v1mcbde2]-- Charles Dickens[/floatr:v1mcbde2]

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                    • GaieusG Offline
                      Gaieus
                      last edited by

                      You can try to report it in the Beta forum (I have done it a couple of times). Those blogs should be maintained much more regularly and better.

                      Gai...

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                      • A Offline
                        August
                        last edited by

                        Ah, the Beta Forum! Good idea. Not exactly public access though.

                        On the Blog pages next to all the spam is the note "We're interested in your comments" that turns out to be a link to the main Google Group. I figured it would not get any more attention there than on the Blog page itself, so why bother.

                        Thanks,
                        August

                        “An idea, like a ghost, must be spoken to a little before it will explain itself.”
                        [floatr:v1mcbde2]-- Charles Dickens[/floatr:v1mcbde2]

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                        • T Offline
                          tigerobj
                          last edited by

                          good thank

                          1 Reply Last reply Reply Quote 0
                          • D Offline
                            duc24101986
                            last edited by

                            cool man

                            1 Reply Last reply Reply Quote 0
                            • C Offline
                              ckodok
                              last edited by

                              Love it..

                              1 Reply Last reply Reply Quote 0
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