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    Trying to draw an elliptical cone

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    • frascatiF Offline
      frascati
      last edited by frascati

      Trying to draw an elliptical cone

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      • Dave RD Offline
        Dave R
        last edited by

        @frascati said:

        Is there an elegant workaround without using a plugin?

        It depends on what version of SketchUp are you using. Please complete your forum profile with that information.

        Etaoin Shrdlu

        %

        (THERE'S NO PLACE LIKE)

        G28 X0.0 Y0.0 Z0.0

        M30

        %

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

          Smoove has a falloff that could achieve such a result...

          https://i.imgur.com/6YPAfkb.png

          Here's a very basic example.

          Download the free D'oh Book for SketchUp πŸ“–

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          • frascatiF Offline
            frascati
            last edited by frascati

            Ok

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            • Dave RD Offline
              Dave R
              last edited by Dave R

              @frascati said:

              Really no way to do this natively in Sketchup?

              Rich showed you a native way to do it.

              Another non-extension way to do it would be to stitch the vertices together with the 2-point Arc and Line tools.

              The method I showed in that thread of using Follow Me and then scaling the large end to make an ellipse doesn't require any extensions.

              Etaoin Shrdlu

              %

              (THERE'S NO PLACE LIKE)

              G28 X0.0 Y0.0 Z0.0

              M30

              %

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              • frascatiF Offline
                frascati
                last edited by frascati

                Ok

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

                  Smoove is a tool under Sandbox

                  Falloff is a linear decline in influence over distance

                  Potatoes are not vegetables.

                  Download the free D'oh Book for SketchUp πŸ“–

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                  • frascatiF Offline
                    frascati
                    last edited by

                    ...but crabs sometimes repurpose shells

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                    • frascatiF Offline
                      frascati
                      last edited by

                      @frascati said:

                      ...but crabs sometimes swap shells

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                      • frascatiF Offline
                        frascati
                        last edited by frascati

                        Ok

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                        • frascatiF Offline
                          frascati
                          last edited by frascati

                          I see

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                          • frascatiF Offline
                            frascati
                            last edited by frascati

                            Thank you

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

                              https://i.imgur.com/2qStuJz.png

                              1. Draw the primitive divided circle
                              2. Scale from centre along an axis
                              3. Select the boundary edges and active Smoove. Set a value for your falloff
                              4. Position geometry and shade smooth

                              I can't give you precise values as I didn't do it to any particular size. So you may have experiment with your falloff values using Smoove.

                              Download the free D'oh Book for SketchUp πŸ“–

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                              • frascatiF Offline
                                frascati
                                last edited by frascati

                                Ok

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                                • BoxB Offline
                                  Box
                                  last edited by Box

                                  Too many straws.

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                                  • frascatiF Offline
                                    frascati
                                    last edited by frascati

                                    Ok

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                                    • gullfoG Offline
                                      gullfo
                                      last edited by

                                      it's a profile using an elliptical shape with follow me. all native tools.

                                      if you're trying to duplicate the HF drive on the speaker in your first post - Genelec uses a mathematical model to generate it, not drawing tools. when i model their speakers for recording studio designs, i use the profile and elliptical curve or the scaling method - which ever one looks "close enough" since i'm not actually making the speaker, just need it for size and rendering purposes.

                                      Glenn

                                      http://www.runnel.com

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                                      • frascatiF Offline
                                        frascati
                                        last edited by frascati

                                        Ok

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                                        • BoxB Offline
                                          Box
                                          last edited by

                                          Follow me on an ellipse will not produce the shape you want.

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                                          • frascatiF Offline
                                            frascati
                                            last edited by frascati

                                            Ok

                                            1 Reply Last reply Reply Quote 0
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