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    Completely lost on how to create this orb

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    • D Offline
      d12dozr
      last edited by

      That looks like it may be a geodesic structure. I'd take a look at Taffgoch's collection in the 3D warehouse for some ideas.

      3D Printing with SketchUp Book
      http://goo.gl/f7ooYh

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      • massimoM Offline
        massimo Moderator
        last edited by

        I think that the main problem with those kind of lamp is that the elements are not coplanar, but are kinda twisted each other. See David Trubridge designs for example.

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        • olisheaO Offline
          olishea
          last edited by

          Seems to be just two tessellations making up all the components of the lamp. I would use Tool on Surface to a sphere to create the initial curved components then copy as an array around the sphere. At this point you could also add the twisted ends so they overlap) Here you could move the components over each other so they aren't co planar and then add the little rivets. It's quite simple if you break it down but tricky in execution.

          oli

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          • TIGT Offline
            TIG Moderator
            last edited by

            Make a Geodesic sphere.
            MultipleFaceOffset.
            Erase all faces with <=4 edges...
            JointPushPull.
            Use Artisan to sub-divide/smooth it...

            Choose the 'sphere' type that gives the 'hole pattern' desired...
            Here's one I threw together is a minute or two...GeoLamp.PNG

            TIG

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            • pbacotP Offline
              pbacot
              last edited by

              Nice, TIG. I kept working along those lines myself but it would either crash the computer or look like crap... I will be interested to use exactly the steps you have. I perhaps made the mistake to create my first sphere with Artisan. And I used Lattice maker. I wonder if some creasing will give sharp edged cut-outs?

              MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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              • TIGT Offline
                TIG Moderator
                last edited by

                LatticeMaker makes the parts as ovelapping frames which can't be easily made solid - even with SolidSolver.
                Windowizer4 has similar limitations.

                Here's my workflow.
                Make a Geodesic sphere == I used that plugin, octahedron, 2 iterations, 1m radius.
                Edited the 6 small 'sqaures' into one face...
                MultipleFaceOffset == I used that plugin, 50mm offset.
                Erase all faces with <=4 edges... I selected all inside the group and wrote a one-liner in the Ruby Console:
                Sketchup.active_model.selection.each{|e|e.erase! if e.is_a?(Sketchup::Face)&&e.edges.length<=4}
                JointPushPull == used that with 50mm offset and keeping original faces, no partitions. Makes result as a 'solid'...
                Oriented the faces...
                Used Artisan to sub-divide/smooth it...

                TIG

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                • N Offline
                  nickchun
                  last edited by

                  It's basically this shape(roughly, I haven't rounded all the corners) UV wrapped around around a sphere. The problem is its 5 sided. Any way to do that?


                  Capture.JPG

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                  • TIGT Offline
                    TIG Moderator
                    last edited by

                    That's why it's best to start with some kind of Geodesic sphere...
                    Mapping an image onto a sphere is going to give you brain-ache... πŸ˜•

                    TIG

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                    • M Offline
                      MartinK
                      last edited by

                      Here's an attempt. I started with a geodesic sphere from the warehouse. I don't have time to go through the steps, but I remade it with components. The model is attached if you want to explore the parts. It's not perfect and might not even be accurate, but it was a fun experiment. Hope it helps.
                      Test1b.jpg


                      Test1b.skp

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                      • M Offline
                        Mra
                        last edited by

                        Wow, thank you so much for the amazing responses everyone. All these techniques are such good ideas, I'll try and build this myself using the different methods mentioned above as well to learn more complex items in SketchUp!

                        Much appreciated! πŸ‘

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                        • gillesG Offline
                          gilles
                          last edited by

                          I enjoy geodesic, see this one:


                          orb.png


                          orb_V6.skp

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

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                          • M Offline
                            MartinK
                            last edited by

                            Very nice Gilles πŸ‘

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                            • cottyC Offline
                              cotty
                              last edited by

                              @gilles said:

                              I enjoy geodesic, see this one

                              WOW! I can't resist to let it jump πŸ˜‰


                              gilles_orb_jump.jpg

                              my SketchUp gallery

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                              • M Offline
                                Mra
                                last edited by

                                @gilles said:

                                I enjoy geodesic, see this one:

                                Very clever, just shows how capable SketchUp is in the right hands.

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                                • TaffGochT Offline
                                  TaffGoch
                                  last edited by

                                  Good examples, above...

                                  I've (thus far) modeled the basic geometry of the pentagonal components.

                                  The pendant lamp geometry is based on a 3v, class-I geodesic sphere.

                                  (Contributors have been quick to jump on this question. I almost missed seeing it, while lurking.) 😳

                                  -Taff


                                  Pendant lamp; 3v.png

                                  "Information is not knowledge." -- Albert Einstein

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                                  • TaffGochT Offline
                                    TaffGoch
                                    last edited by

                                    I produced the curved-arm portions, simply by radially-copying rectangles along an arc between the geodesic vertices.

                                    Here's a detail, showing "hidden geometry" (lines.)

                                    -Taff


                                    Pendant lamp; 3v, detail.png

                                    "Information is not knowledge." -- Albert Einstein

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                                    • TaffGochT Offline
                                      TaffGoch
                                      last edited by

                                      Not quite as "spindly" as the real lamp....


                                      Pendant lamp.png


                                      Pendant lamp; 3v.skp

                                      "Information is not knowledge." -- Albert Einstein

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                                      • TaffGochT Offline
                                        TaffGoch
                                        last edited by

                                        Geodesic-based lamp spheres have, seemingly, been popular, over the past few years.

                                        Here's a sampling for your SketchUp modeling exercises:


                                        Geodesic lampshade.jpg


                                        tumblr_m9r5np3AnF1qavpd4.jpg


                                        KentBlazek-NexusKitset-2.jpg

                                        "Information is not knowledge." -- Albert Einstein

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