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    Tube coping template wrappers

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    sketchup
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    • G Offline
      gregw
      last edited by

      it's been many years since I've used one,but we used to call them "pipe saddle templates". We would make a pattern out of sheet metal and then trace it onto a piece of paper.

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      • I Offline
        Iceracer
        last edited by

        This is exactly what Im looking for. If there is no plug in for it I would give a go at making one if there is a tutorial on making plugins.

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        • Dave RD Offline
          Dave R
          last edited by

          Once you do the intersect faces routine, you can use Jim Foltz's Unfold plugin to lay the wrapper out flat. Or as Ken did, use the Flattery plugin.

          Etaoin Shrdlu

          %

          (THERE'S NO PLACE LIKE)

          G28 X0.0 Y0.0 Z0.0

          M30

          %

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          • I Offline
            Iceracer
            last edited by

            Ok I just looked at some ruby stuff way over my head....

            what the intersect faces routine?

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            • Dave RD Offline
              Dave R
              last edited by

              @iceracer said:

              Ok I just looked at some ruby stuff way over my head....

              what the intersect faces routine?

              It's a basic native thing to intersect faces. Select the surface of the wrapper, right click on it and choose Intersect Faces>With Model to create the intersection. Make the pipe a component or group first so it doesn't get modified during the intersection process.

              Etaoin Shrdlu

              %

              (THERE'S NO PLACE LIKE)

              G28 X0.0 Y0.0 Z0.0

              M30

              %

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              • sdmitchS Offline
                sdmitch
                last edited by

                @iceracer said:

                This is exactly what Im looking for. If there is no plug in for it I would give a go at making one if there is a tutorial on making plugins.

                Tube Coping.gif
                Here is a quick and dirty Plugin that duplicates Ken's process.

                def tube_coping
                
                mod = Sketchup.active_model
                ent = mod.active_entities
                sel = mod.selection
                vue = mod.active_view
                @vtd ||= 6; @htd ||= 4
                val = UI.inputbox(["V Tube Dia;","H Tube Dia;"],[@vtd,@htd],"Tube Coping")
                if val
                 @vtd,@htd = val; grp = ent.add_group; gent = grp.entities
                 cir = gent.add_circle(ORIGIN,Z_AXIS,@vtd/2,360)
                 fac = gent.add_face cir
                 fac.pushpull -@htd*2
                 opt = ORIGIN.offset(X_AXIS,@vtd).offset(Z_AXIS,@htd)
                 htc = gent.add_circle(opt,X_AXIS,@htd/2,36)
                 vts = htc[0].curve.vertices.map{|v|v.position}
                 hpt = []; del = Math;;PI*@htd/36
                 #vts << vts[0]
                 vts.each{|v| hpt << mod.raytest([v,X_AXIS.reverse])[0]}
                 opt = ORIGIN.offset(X_AXIS,@vtd*2).offset(Z_AXIS,@htd/2);lpt=opt.clone
                 cpt = []; cpt << opt
                 for i in 0...vts.length
                  npt = lpt.offset(Z_AXIS,vts[i].distance(hpt[i]))
                  cpt << npt; lpt.offset!(X_AXIS,del) if i<vts.length-1
                 end
                 cpt << lpt
                 ent.add_face cpt
                 grp.erase!
                end
                
                end
                
                

                Nothing is worthless, it can always be used as a bad example.

                http://sdmitch.blogspot.com/

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                • kenK Offline
                  ken
                  last edited by

                  Darn sdmitch your quick on the draw.

                  One problem with your plugin, I show a 90 angle just to simplify the drawing. However, the angle can be any reasonable angle.

                  So if you add an input for the angle it should be good to go.

                  Thanks

                  Ken

                  Fight like your the third monkey on Noah's Ark gangway.

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                  • sdmitchS Offline
                    sdmitch
                    last edited by

                    @unknownuser said:

                    Darn sdmitch your quick on the draw.

                    One problem with your plugin, I show a 90 angle just to simplify the drawing. However, the angle can be any reasonable angle.

                    So if you add an input for the angle it should be good to go.

                    Thanks

                    Ken

                    How is the angle measured? From vertical? What should the min and max angle be?

                    Nothing is worthless, it can always be used as a bad example.

                    http://sdmitch.blogspot.com/

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                    • I Offline
                      Iceracer
                      last edited by

                      The angle should be calculated from a existing centerline in two steps possibly 1 -3 tubes intersecting then select the tube we want to cope to the node.
                      Sdmitch are you in the US?

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                      • sdmitchS Offline
                        sdmitch
                        last edited by

                        @iceracer said:

                        The angle should be calculated from a existing centerline in two steps possibly 1 -3 tubes intersecting then select the tube we want to cope to the node.
                        Sdmitch are you in the US?

                        Yes I am.

                        Please post a sample model,version <= 2014, to play with.

                        Please describe just how you would envision how the plugin should work and make it "Coping for Dummy's"

                        Nothing is worthless, it can always be used as a bad example.

                        http://sdmitch.blogspot.com/

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                        • I Offline
                          Iceracer
                          last edited by

                          Ill have to get it Tommoro I can snap a picture of the actual piece and send you a file tommoro if you need it. And I appreciate the coping for dummies. This is way out of my expertise.

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                          • I Offline
                            Iceracer
                            last edited by

                            Here is my dilema coping a single angle is not a issue but adding multiple tubes and then rotating and angling back makes it difficult and then coming in on the other end of the tube make it more interesting.
                            Mitch apparently I cant add a skp file here for you. send me a pm with a email and Ill send the joint to you so you can see it more clearly with all the angles happening.
                            IMG_1008.JPG

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