sketchucation logo sketchucation
    • Login
    ℹ️ Licensed Extensions | FredoBatch, ElevationProfile, FredoSketch, LayOps, MatSim and Pic2Shape will require license from Sept 1st More Info

    How to make a net?

    Scheduled Pinned Locked Moved Newbie Forum
    sketchup
    18 Posts 6 Posters 6.4k Views 6 Watching
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • P Offline
      petropix
      last edited by

      Hello All:

      I'm trying to make a net or otherwise dome-like tubular structure. Any way to drape a grid of lines on a curved surface and then convert the lines to tubes? (the easy way 😳 Here's a half-hearted attempt.

      Thanks.


      grid sample.jpg

      1 Reply Last reply Reply Quote 0
      • pilouP Offline
        pilou
        last edited by

        Line to tube by Didier Bur πŸ˜‰

        and all Extrude edges and aespecially Extrude edges by rail by face by Tig

        But don't wait miracles for the intersections for close up! ; )

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

        1 Reply Last reply Reply Quote 0
        • brookefoxB Offline
          brookefox
          last edited by

          1. one of the sphere or other similar draw shape plugins
          2. distort it to your liking; subtract the bottom half perhaps.
          3. as the maestro says, use line to tube to make the structure 3d or maybe pipe along path or maybe some other.

          It is required that you post your results here. (See clause 4995.b.645.jd, subsection 2 of your user agreement.)

          ~ Brooke

          1 Reply Last reply Reply Quote 0
          • P Offline
            petropix
            last edited by

            @brookefox said:

            1. one of the sphere or other similar draw shape plugins
            2. distort it to your liking; subtract the bottom half perhaps.
            3. as the maestro says, use line to tube to make the structure 3d or maybe pipe along path or maybe some other.

            It is required that you post your results here. (See clause 4995.b.645.jd, subsection 2 of your user agreement.)

            My apologies. Extruding lines to tube or pipe is not the difficulty. Nor is creating a curved or spherical shape. Draping, or otherwise bending a symmetrical grid pattern onto a curved surface is the devil here. To draw each line individually and space it equally is what I find daunting, and I was just wondering if anyone knew of a more expedient way.

            Thanks.

            1 Reply Last reply Reply Quote 0
            • pilouP Offline
              pilou
              last edited by

              Drape is not sufficient ?

              Drape.jpg

              You can also use Tools on surface by Fredo6

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

              1 Reply Last reply Reply Quote 0
              • P Offline
                petropix
                last edited by

                @pbacot said:

                You have to decide what sort of framework you want and what is mean by equally spaced. Is something like this what you want in terms of lines? (given you can produce the tubes as you said, I haven't bothered). this is derived from a follow-me lathed dome. Copy and paste the lines under the wireframe setting.

                Many thanks! Yes, this is getting closer. Copy and paste the lines from wireframe view. Brilliant! Why didn't I think of that? 😳

                1 Reply Last reply Reply Quote 0
                • pbacotP Offline
                  pbacot
                  last edited by

                  I hang around here a lot (by my posts 1000 times more than you 😲 ) that's probably why.

                  Here I have done some manual (follow me) tubes on the structure just to see. the rings and the rib are each solid groups. the whole mesh beyond is one solid group. Obviously you can radial duplicate that rib add rings etc.


                  SCREEN 2.png

                  MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

                  1 Reply Last reply Reply Quote 0
                  • pbacotP Offline
                    pbacot
                    last edited by

                    You have to decide what sort of framework you want and what is meant by equally spaced. Is something like this what you want in terms of lines? (given you can produce the tubes as you said, I haven't bothered). this is derived from a follow-me lathed dome. Copy and paste the lines under the wireframe setting.


                    SCREEN.png

                    MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

                    1 Reply Last reply Reply Quote 0
                    • brookefoxB Offline
                      brookefox
                      last edited by

                      Unlike Pilou, I am not above crying "Foul!"

                      (As foul as that may be.)

                      (Even chopped liver has rights.)

                      ~ Brooke

                      1 Reply Last reply Reply Quote 0
                      • pbacotP Offline
                        pbacot
                        last edited by

                        Time out πŸ˜„ Foul? Fowl?

                        MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

                        1 Reply Last reply Reply Quote 0
                        • brookefoxB Offline
                          brookefox
                          last edited by

                          Yes!

                          Play on!

                          ~ Brooke

                          1 Reply Last reply Reply Quote 0
                          • pbacotP Offline
                            pbacot
                            last edited by

                            Well yes.
                            Brookefox's original recommendation should get you there.

                            The selection using wireframe is a nice gimmick. But just using Didier's excellent "line to tube" ruby, you don't have to do that. You do have to unsoften the lines within the hemisphere. The ruby helpfully groups the result separate from the lines.
                            The issue is determining what sort of sphere framework you are looking for. You could also use a geodesic dome. But here is a result with my frame using the "line to tube" ruby. Much better than "manually" constructing it.

                            What did you come up with PetroPix?


                            SCREEN 3.png

                            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

                            1 Reply Last reply Reply Quote 0
                            • P Offline
                              petropix
                              last edited by

                              @pbacot said:

                              Well yes.
                              Brookefox's original recommendation should get you there.

                              The selection using wireframe is a nice gimmick. But just using Didier's excellent "line to tube" ruby, you don't have to do that. You do have to unsoften the lines within the hemisphere. The ruby helpfully groups the result separate from the lines.
                              The issue is determining what sort of sphere framework you are looking for. You could also use a geodesic dome. But here is a result with my frame using the "line to tube" ruby. Much better than "manually" constructing it.

                              What did you come up with PetroPix?

                              Okay you two love birds-- settle down! I can't wait for when I ask, 'How to Make a Nest?'

                              Anyway, I'm working on it, working, working-- and I suppose I'm now on the hook for posting a tutorial here. Fair enough, I love this forum-- now where WAS I? πŸ˜•

                              1 Reply Last reply Reply Quote 0
                              • brookefoxB Offline
                                brookefox
                                last edited by

                                I failed to mention the wireframe, edges only selection as I thought it was clear. Seems it was not, but as you say 'line to tube' doesn't require that.

                                Here's one with the non-radially faced sphere (dome), in which the faces are more approximately equal on the surface. If it is desired that the grid be regular before draping then take the faces only and drape the even grid from '(sandbox) from scratch' or other and drape as Pilou showed. Once draped of course the grid is distorted (except in ortho plan view).


                                tubed meshed surface-1.JPG


                                tubed meshed surface-2.JPG

                                ~ Brooke

                                1 Reply Last reply Reply Quote 0
                                • brookefoxB Offline
                                  brookefox
                                  last edited by

                                  @unknownuser said:

                                  now where WAS I?

                                  You were going to show us approximately what kind of thingy you were looking to model.

                                  ~ Brooke

                                  1 Reply Last reply Reply Quote 0
                                  • GaieusG Offline
                                    Gaieus
                                    last edited by

                                    Ah yes, I have built structures like that with those plugins, too...

                                    [xxl-img:16r7n4hu]https://lh4.googleusercontent.com/-Vxt3eLcDCdA/SxpNB9vm88I/AAAAAAAAC2k/1nHsbF5c5wU/s800/gradem%25C3%25A5l.jpg[/xxl-img:16r7n4hu]

                                    [xxl-img:16r7n4hu]https://lh5.googleusercontent.com/-4kst3gHb36M/SxpaUnwolNI/AAAAAAAAC3g/exM1-TYvIFw/s1024/grademal.jpg[/xxl-img:16r7n4hu]

                                    [xxl-img:16r7n4hu]https://lh4.googleusercontent.com/-tLQYrxWR3xE/SxpaQYN4YhI/AAAAAAAAC3c/QuXctyi_tG8/s1024/example2.jpg[/xxl-img:16r7n4hu]

                                    Gai...

                                    1 Reply Last reply Reply Quote 0
                                    • P Offline
                                      petropix
                                      last edited by

                                      @brookefox said:

                                      @unknownuser said:

                                      now where WAS I?

                                      You were going to show us approximately what kind of thingy you were looking to model.

                                      Well, actually -- it's a bungie cord net, about a foot square -- for strapping down cargo on, say, the back of a motorcycle seat. So there's quite a bit of deformity on the original form involved: bulge and elasticity. Challenging to draw with any degree of realism, however, that's not my purpose at this juncture. The net is a subordinate feature on a much more elaborate model. The techniques discussed here are enough for me to "fake" it for the interim. The model's over-all purpose is to show functionality of its various components, and how they relate to each other; it's not to win an illustration prize.

                                      Many thanks!

                                      1 Reply Last reply Reply Quote 0
                                      • yitzharY Offline
                                        yitzhar
                                        last edited by

                                        @brookefox said:

                                        I failed to mention the wireframe, edges only selection as I thought it was clear. Seems it was not, but as you say 'line to tube' doesn't require that.

                                        Here's one with the non-radially faced sphere (dome), in which the faces are more approximately equal on the surface. If it is desired that the grid be regular before draping then take the faces only and drape the even grid from '(sandbox) from scratch' or other and drape as Pilou showed. Once draped of course the grid is distorted (except in ortho plan view).

                                        can you please explain how you made those constructions beam ? step by step ...

                                        look for us on facebook : creatioIL

                                        1 Reply Last reply Reply Quote 0
                                        • 1 / 1
                                        • First post
                                          Last post
                                        Buy SketchPlus
                                        Buy SUbD
                                        Buy WrapR
                                        Buy eBook
                                        Buy Modelur
                                        Buy Vertex Tools
                                        Buy SketchCuisine
                                        Buy FormFonts

                                        Advertisement