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    Problems achieve face along arcs

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    • U Offline
      unmeilleurreve
      last edited by

      Alright, so I'm definitely new around here, and I've been having trouble with a specific problem. I have 3 arcs, concentric to the y axis. The leftmost point of the arc starts at 2.5mm intervals, the rightmost at 7.5mm intervals, and the radius ascends a similar column of guide points at 5 mm intervals. I allowed sketchup to simply use 12 segments for each arc. What I need is for these to develop faces when I connect the endpoints with lines so that I can make the front section for a ring. I've tried Fullmer's bending plugin with a different pattern to achieve similar results to no avail. It seems that, regardless of what I do, sketchup refuses to make the corresponding object solid. I'm attaching the sketchup file.

      And in case I wasn't able to convey myself clearly, the area that I need to make the face occur along the curves, not inside of the arc.


      model

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      • TIGT Offline
        TIG Moderator
        last edited by

        Is this what you want ?Capture.PNG

        TIG

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        • U Offline
          unmeilleurreve
          last edited by

          That is very, very close. However, I'm looking to have the lines preserved. I really think I'm going about this the wrong way.....

          I'm looking to eventually impose this on a ring shape, you see, and chamfer along the lines.... But I'm definitely going about it the wrong way, because ideally the chamfer tapers. Gah! Additionally, the lines need to push outward a total of 1mm. πŸ˜•

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          • U Offline
            unmeilleurreve
            last edited by

            Here's a better explanation, and I managed to do it all manually with a decent number of rough edges...

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            • TIGT Offline
              TIG Moderator
              last edited by

              In my example the original curved lines ARE preserved.
              I simply moved the grouped mesh away from them for clarity.
              The usual last option dialog in EEby... tools - 'Erase Original Curves ?' - the choice is yours...
              Exploding the smoothed mesh will then recombine it with those curved lines...
              πŸ˜•

              TIG

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              • irwanwrI Offline
                irwanwr
                last edited by

                edit:
                @unmeilleurreve said:

                Here's a better explanation, and I managed to do it all manually with a decent number of rough edges...

                what explanation?

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                • Jean LemireJ Offline
                  Jean Lemire
                  last edited by

                  Hi folks.

                  See this SU file for ideas.

                  I created the model at a 100x scale since SU has some difficulties with very small geometries.

                  The last step would be to scale down the model by a factor of 0.01.

                  Just ideas.


                  Wedged arc.skp

                  Jean (Johnny) Lemire from Repentigny, Quebec, Canada.

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                  • dukejazzD Offline
                    dukejazz
                    last edited by

                    1. I uploaded you skp file an open it
                    2. Took line tool closed the 4 areas
                    3. check dimension
                      pic_0026.jpg
                    4. resized top 3 areas
                    5. pushpulled the botttom one
                    6. Context Intersect with selection
                      pic_0027.jpg
                    7. Trim and remeasured
                    8. Tested the volume and smoothed the edges
                    9. Tranpanency mode
                      pic_0028.jpg

                    My error was inside material need deleted before runing the test

                    If makring a ring skin then
                    10) After push-pull smooth the pull volume
                    11) Context Intersect with selection
                    12) Make group then explode, use the erase on back edges
                    pic_0035.jpg
                    13) Done
                    pic_0036.jpg
                    I hope this may help?

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