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    Help with this Bezier profile drawing.

    Scheduled Pinned Locked Moved Corner Bar
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    • bazB Offline
      baz
      last edited by

      Thanks Rich. As mentioned, not much knowledge with Beziers. And I cant find 'Edit' on right click...

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      • BoxB Offline
        Box
        last edited by

        If you just want to have the basics for a Classic Bezier.

        Single click start and end position
        Single click control points starting need the beginning
        Double click to place last control point
        While control points are active type the number of segments and an s, in this case I typed 48s, and hit enter
        Click and drag the control points to shape the curve
        Double click to add or remove control points
        Click off the the controls to complete
        Use the Edit icon on the toolbar if you wish to go back to edit mode.


        2023-01-22_14h17_59.gif

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        • bazB Offline
          baz
          last edited by

          Great, I get it. Thanks Box.

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          • panixiaP Offline
            panixia
            last edited by

            @rich o brien said:

            I'm not sure what those red and blue points are. But I don't think they are bezier related.

            They are the focal points of two different ellipses.
            The green and the purple are the center of two arcs.

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            • Rich O BrienR Online
              Rich O Brien Moderator
              last edited by

              @panixia said:

              They are the focal points of two different ellipses.
              The green and the purple are the centers of two arcs.

              https://media.giphy.com/media/gEvab1ilmJjA82FaSV/giphy-downsized.gif

              Download the free D'oh Book for SketchUp ๐Ÿ“–

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              • panixiaP Offline
                panixia
                last edited by

                It's actually simpler than it looks (and I'm really bad at math). ๐Ÿ˜„
                An ellipse is actually the collection of the points that are found were the sum of theyr distance from focal points is the same.
                It may sound even more complicated in this way, but that's actually how you can easyly draw an ellipse in real world (a bezier spline would be actually quite a bit more complex to replicate with a pencil, a simple string and a couple of nails). ๐Ÿ˜›
                Look at this.

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                • bazB Offline
                  baz
                  last edited by

                  Damn! Something was niggling me about those lines and points... ellipse major minors of course... I have used Ellipses in my work for years. And always with the major/minor stick method.
                  Thanks Panixia.

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                  • panixiaP Offline
                    panixia
                    last edited by

                    @baz said:

                    Damn! Something was niggling me about those lines and points... ellipse major minors of course... I have used Ellipses in my work for years. And always with the major/minor stick method.
                    Thanks Panixia.

                    Sometimes actually "less is more" ๐Ÿคฃ

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                    • bazB Offline
                      baz
                      last edited by

                      Panixia, Can you tell me the name of the Plugin you are using for this? I have always only scaled circles to produce ellipses til now. Thanks.

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                      • panixiaP Offline
                        panixia
                        last edited by

                        @baz said:

                        Panixia, Can you tell me the name of the Plugin you are using for this? I have always only scaled circles to produce ellipses til now. Thanks.

                        It's called "Tools on surface" and it's part of the Fredo bundle.
                        I strongly reccomend to buy the bundle because every single plugin in that collection is absolutely a banger. (Pay attention to the fact that you also need the free libfredo6 shared library to make those plugins work).

                        http://sketchucation.com/forums/viewtopic.php?p=76625#p76625

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                        • Bryan KB Offline
                          Bryan K
                          last edited by

                          @panixia said:

                          @baz said:

                          Panixia, Can you tell me the name of the Plugin you are using for this? I have always only scaled circles to produce ellipses til now. Thanks.

                          It's called "Tools on surface" and it's part of the Fredo bundle.
                          I strongly reccomend to buy the bundle because every single plugin in that collection is absolutely a banger. (Pay attention to the fact that you also need the free libfredo6 shared library to make those plugins work).

                          http://sketchucation.com/forums/viewtopic.php?p=76625#p76625

                          Yep. I also paid for the package and they are solid workman's tools I could not do without and saved me a lot of time and extra effort.

                          See my portfolio at https://delphiscousin.blogspot.com/

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