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    Problems with a half-torus

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    • TeigT Offline
      Teig
      last edited by

      @d12dozr said:

      Hey Teig, I messed up the first time around...it should be .001. Sorry, I edited my post, but you already caught it.

      Also the way to move the geometry is to draw a line separating the piece you want to follow-me, then group it for moving (or copy it and erase the original).

      Ah, OK, I wondered about your zeros but bowed to your wisdom πŸ˜„ I've scaled it all up, I couldn't figure out how to separate the two parts so ran the Follow Me, it worked πŸ˜„ But... it wasn't solid so I ran SolidSolver which is really struggling at present and has been stuck on the Spinning Beachball of Doom for 10 minutes. Here's hoping... πŸ˜•

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      • TeigT Offline
        Teig
        last edited by

        @box said:

        And while you are at it, you can make the piece a component, then scale a copy up to do your edits, then delete the large copy and the edits will have worked on the small version.

        Oh yeah??? That sounds like a great system! Let me get this correct... So the times when Follow Me won't work on my tiny component will work on the scaled up? And affect the edits on the tiny copy? Wow!

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        • BoxB Offline
          Box
          last edited by

          yep

          Here's one I made earlier.


          Scale.gif

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          • TeigT Offline
            Teig
            last edited by

            Thanks Box, I'll try that at some point.

            For now SolidSolver reports a co-planer edge and isn't solid πŸ˜• How do I spot and correct this edge?

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            • BoxB Offline
              Box
              last edited by

              Have a go with Thomthom's new Solid Inspector, it will find them, highlight them and fix them for you.
              http://sketchucation.com/pluginstore?pln=tt_solid_inspector2

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              • TeigT Offline
                Teig
                last edited by

                @box said:

                Have a go with Thomthom's new Solid Inspector, it will find them, highlight them and fix them for you.
                http://sketchucation.com/pluginstore?pln=tt_solid_inspector2

                Thanks again Box, downloaded and installed. One thing that's bugging me, how much to donate for these plugins? I am grateful for them but have stalled on donating for this reason.

                The Solid inspector can't fix my item "Some errors could not be automatically fixed. Manually inspect and correct the errors, then run the tool again." Something about borders and mesh?

                And now my .skp file is too large to upload... πŸ˜•

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                • BoxB Offline
                  Box
                  last edited by

                  Donations are something different for everyone, "to each according to his need" is the old saying, whatever you feel comfortable with, nothing is too small or large.

                  Have you purged your model, it may be bloated. Window/Model Info/Statistics Purge unused.

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                  • TeigT Offline
                    Teig
                    last edited by

                    @box said:

                    Donations are something different for everyone, "to each according to his need" is the old saying, whatever you feel comfortable with, nothing is too small or large.

                    Have you purged your model, it may be bloated. Window/Model Info/Statistics Purge unused.

                    OK, I'll settle on something for a donation.
                    I have purged it but it's not having it.
                    The bad news now is my MBP has run out off power and I forgot to bring my charter in to work this morning, also all the servers are offline for the office computers so no more Sketchup for me for know, phone only 😞

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                    • TeigT Offline
                      Teig
                      last edited by

                      Stuck again! πŸ˜•

                      I seem to have an odd edge and I'm not sure how to get rid of it. Also strange faces inside the model. The file is too large for the SU forum here so I have loaded it to Drive, this is the link for it if anyone can help?

                      Page Not Found

                      Web word processing, presentations and spreadsheets

                      favicon

                      (drive.google.com)

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                      • BoxB Offline
                        Box
                        last edited by

                        You've got a few odd things going on in there.
                        The first one, simple error, you triple clicked on the surface and made everything a group, problem is the inner tube isn't connected to the outer surface so it didn't get selected. So it's not part of the group.
                        Innertube.JPG
                        The second and more troublesome thing is somehow you have produce an overlap in your throat, and some extra faces.
                        If you look inside near the drill holes you can see the double edges and twisted lines.
                        Inside.JPG
                        I've given you a cleaned one for comparison.


                        BellmouthSolid.zip

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                        • TeigT Offline
                          Teig
                          last edited by

                          @box said:

                          You've got a few odd things going on in there.
                          The first one, simple error, you triple clicked on the surface and made everything a group, problem is the inner tube isn't connected to the outer surface so it didn't get selected. So it's not part of the group.
                          [attachment=2:2922mkxr]<!-- ia2 -->Innertube.JPG<!-- ia2 -->[/attachment:2922mkxr]
                          The second and more troublesome thing is somehow you have produce an overlap in your throat, and some extra faces.
                          If you look inside near the drill holes you can see the double edges and twisted lines.
                          [attachment=1:2922mkxr]<!-- ia1 -->Inside.JPG<!-- ia1 -->[/attachment:2922mkxr]
                          I've given you a cleaned one for comparison.

                          So is the best way to select to group is to drag the select tool around the whole entity rather than triple click? Would that have selected everything?

                          Those troublesome things have been keeping me awake all night πŸ˜„ Did you just go inside and erase them Box? I don't know what or why that strange triangle of faces on the throat was there. πŸ‘Ώ

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                          • BoxB Offline
                            Box
                            last edited by

                            Normally a triple click is good, just that in this case the inside tube is separate, so it sort of a case by case thing, depends what is you are selecting.

                            Yes I basically just remove all the overlapping geometry and lofted the gap. So it's not actually how you made it originally.

                            Looking at yours again I see you have drawn your profile in various sections, lots of different curves with varying sized segments and stuff. I have taken your profile and drawn a smoother set of curves roughly to fit to give you a less bumpy finish.
                            Also look at how many segments you want to use. In the actual throat you want a lot for smooth airflow, but the ring and the inner ring can have fewer segments and the outside of the throat under the ring can be a rough as you want.
                            In this quicky I have used 50 segments for the curve of the inner throat, 24circle for the rim and only 12 for the back. Then a 50s circle for the follow me.
                            I'm not suggesting you use it, just showing you some examples.
                            Throat.JPG


                            Quick throat.skp

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                            • TeigT Offline
                              Teig
                              last edited by

                              @box said:

                              Normally a triple click is good, just that in this case the inside tube is separate, so it sort of a case by case thing, depends what is you are selecting.

                              Yes I basically just remove all the overlapping geometry and lofted the gap. So it's not actually how you made it originally.

                              Looking at yours again I see you have drawn your profile in various sections, lots of different curves with varying sized segments and stuff. I have taken your profile and drawn a smoother set of curves roughly to fit to give you a less bumpy finish.
                              Also look at how many segments you want to use. In the actual throat you want a lot for smooth airflow, but the ring and the inner ring can have fewer segments and the outside of the throat under the ring can be a rough as you want.
                              In this quicky I have used 50 segments for the curve of the inner throat, 24circle for the rim and only 12 for the back. Then a 50s circle for the follow me.
                              I'm not suggesting you use it, just showing you some examples.
                              [attachment=0:8f6audq7]<!-- ia0 -->Throat.JPG<!-- ia0 -->[/attachment:8f6audq7]

                              So, would dragging the selector around the whole model have selected that inside tube?

                              Yes, I've been trying to get the throat super-smooth so have been using 100 segments as standard, never considered anything else for the other parts - I suppose using less segments would keep the file size down?

                              Yes, I drew it as best I could think how to, complete with lots of scratching of the head and "argh, must put this away and come back later before my brain explodes" moments πŸ˜„

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                              • BoxB Offline
                                Box
                                last edited by

                                Yes
                                and
                                yes

                                My profile is simply 2 circles and 2 arcs with a couple of straight lines.
                                Takes longer to type than to draw.

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                                • TeigT Offline
                                  Teig
                                  last edited by

                                  Thanks again Box, I'll see if I can do it like you say, it might be the other way round for me though - longer to draw than to type πŸ˜„ I'm really struggling with drawing two components and then lining them up exactly so I'll have to do a bit more learning in that area.

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                                  • BoxB Offline
                                    Box
                                    last edited by

                                    But it's really just one piece, extend your profile and then make the cut outs.
                                    This is very rough but it should show you what I mean.


                                    One piece.gif

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                                    • TeigT Offline
                                      Teig
                                      last edited by

                                      I've no idea how you do those gifs but that is very helpful. The holes do have to be pretty precise so I'd have to measure them in. I'll have another go later.

                                      One thing strikes me in that gif, when you use the Follow Me tool do you only need to indicate a circle, any size of circle? Or does that circle have to be my 45mm radius?

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                                      • BoxB Offline
                                        Box
                                        last edited by

                                        Any circle will do, the radius is immaterial, but the center of the circle must be at the correct distance from your profile to be the right size, and the number of segments needs to be what you want.
                                        The circle is simply creating a rotation point and segment count for follow me.
                                        You'll notice the circle is still there after the follow, it is below not touching anything, so I could use it again to add another ring around the first one.

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                                        • BoxB Offline
                                          Box
                                          last edited by

                                          In fact you could then scale that circle into the oval that you want and it will be centered on the throat. pop your holes in it and pull it up to intersect with the throat and remove the unwanted bits.

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                                          • pbacotP Offline
                                            pbacot
                                            last edited by

                                            Following. The point about the circle: keep one circle for your reference below everything. Copy it if you must but don't have the follow-me circle touching the model, and don't throw it out until you are absolutely done modeling. I suspected intersecting with that circle was a problem on your latest try.
                                            Also you guys are showing a torus floating inside the shape. Don't you have to get rid of that? Or will it print as a void?

                                            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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