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Voronoi+Unfold+Laser cut

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  • D Offline
    DareDevil
    last edited by 24 May 2010, 19:02

    @chris fullmer said:

    There is a voronoi script in here:
    http://forums.sketchucation.com/viewtopic.php?f=323&t=19040

    I use it for voronoi without problem.

    If you want a planar voronoi diagram :
    1 - Make a planar point cloud (with a Construction point plugin)
    2 - Duplicate the cloud verticaly
    3 - Use Qhull -> Voronoi -> Selection (free)
    4 - Delete clouds

    After that, you can use Protrude, Make latice or other plugins to make some thickness to the edges.


    voronoi.jpg

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    • L Offline
      lapx
      last edited by 25 May 2010, 22:15

      Please give a tutorial on how to make that first image
      http://matsysdesign.com/2009/06/19/c_wall/

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      • D Offline
        DareDevil
        last edited by 26 May 2010, 21:42

        @lapx said:

        Please give a tutorial on how to make that first image
        http://matsysdesign.com/2009/06/19/c_wall/

        I just use the Didier Bur's Projection_v6 plugin. There is a tool to make construction points (little crosses) where you want. I create some on a plane with density I want, here more dense at the bottom and less at the top. Then, I make all I said before (duplicate all piont and plane, use the Qhull plugin...)

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        • T Offline
          techasist
          last edited by 6 Jun 2010, 02:49

          Thanks for all the fantastic replies. As usual, this forum reveals to be a gold mine for self-taught CADers like myself. πŸ˜‰

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          • A Offline
            Avex
            last edited by 13 Mar 2011, 10:35

            @unknownuser said:

            voronoi.jpg

            After that, you can use Protrude, Make latice or other plugins to make some thickness to the edges.

            After having a lot of troubles installing the voronoi plugin, finally I could.

            But I have a big question.

            How can I get the rounded corners and edges like the succeeding images???. I share what I want get.


            060807_test03-763822.jpg


            7_airspace-tokyo-2.jpg

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            • D Offline
              DareDevil
              last edited by 27 Mar 2011, 10:55

              @avex said:

              But I have a big question.

              How can I get the rounded corners and edges like the succeeding images???. I share what I want get.

              I know some ways to do it :

              • make a group with each cell and use "Subdivide and Smooth" plugin on each
              • draw spline with "Bezier Spline" plugin using cells as model
              • use a NURBS soft ware like MoI to draw Bezier spline from each cell
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              • P Offline
                pilou
                last edited by 27 Mar 2011, 12:38

                @unknownuser said:

                NURBS soft ware like MoI to draw Bezier spline from each cell

                it's not bezier spline, it's nurbs curves πŸ˜‰
                That becomes simple curve (in fact segments)when you export it to SU in SKP or 3ds format β˜€
                But of course very easy and speedy to draw in Moi (Moment of Inspiration) 😎

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

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                • L Offline
                  lapx
                  last edited by 12 Jul 2011, 22:35

                  Anyone able to achieve this in sketchup with ruby script?

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                  • L Offline
                    lapx
                    last edited by 30 Nov 2011, 02:11

                    Interesting topic, i'm afraid we dont have a script that can create sculptures like this but it must be possible some how.
                    I'm sure the ruby god's can come up with something one day. Hopefully soon.

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                    • L Offline
                      lapx
                      last edited by 3 Feb 2012, 19:43

                      I can't get this to work in the latest su.
                      Has anyone had any luck. It worked before but it only making the same shape each time.
                      Here are the steps:

                      1. draw points on plane
                      2. copy points and plane up
                      3. select all elements
                      4. qhull voronoi selection free

                      Should create voroni plane between selected points, right πŸ˜•


                      qhull.jpg

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                      • L Offline
                        lapx
                        last edited by 3 Feb 2012, 21:30

                        I recall it is writing a txt.file out to the disk. shouldnt it overwrite this file after selecting a new set of data points. What is the name of the file it makes? maybe I can erase it and try to see if that works. πŸ˜• I have su 8 pro. I could have sworn I had it working on su 8 bfore.

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                        • bigstickB Offline
                          bigstick
                          last edited by 3 Feb 2012, 22:20

                          I had a similar problem a while ago. I solved it by finding a Voronoi diagram image file which I imported into Vectorworks.

                          I then traced the image to produce the lines, created the individual 'islands', and smoothed them with a bezier curve. I exported these curves in dwg format and brought them into SU. Worked just fine. I even made it so that it tiled seamlessly.

                          Not the workflow that you are looking for, but it's not as easy as you are hoping.

                          This isn't a 10 minute plugin that one of the Ruby gurus can write. Most people use Rhino for this.

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                          • P Offline
                            pilou
                            last edited by 3 Feb 2012, 23:59

                            Seems the external curves inside a polygon between 2 middles of segments is a "conic" curve

                            Just find a ruby who draw conic and you will draw your form πŸ˜‰

                            Empirically seems your Rho is 0.65
                            This will valuable for any point on the yellow curve between 2 following segments inside any polygon! πŸ˜‰
                            Magic is the geometry! β˜€ (here with the crazzy Moi πŸ˜‰

                            Rho65.jpg

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

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                            • gillesG Offline
                              gilles
                              last edited by 4 Feb 2012, 07:27

                              @unknownuser said:

                              vex wrote:
                              But I have a big question.

                              How can I get the rounded corners and edges like the succeeding images???. I share what I want get.

                              In SU, see http://forums.sketchucation.com/viewtopic.php?t=13563#p100509

                              " c'est curieux chez les marins ce besoin de faire des phrases "

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                              • L Offline
                                lapx
                                last edited by 8 Feb 2012, 04:42

                                ...also try subdivide and smooth after offsetting polygons and erasing holes.
                                dont think bezier can work in this instance unless im missing something.

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                                • P Offline
                                  pilou
                                  last edited by 8 Feb 2012, 08:50

                                  In fact it's appear that the internal first curve is also possible with a simple nurb πŸ˜„
                                  Just click middle of segment A, click Apex AB, Click middle of segment B, click Apex BC etc...
                                  Maybe special Bezier curve of Fredo6 can be near the solution πŸ˜„

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

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