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    [Plugin][$] FredoCorner - v2.7a - 31 Mar 24

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    • E Offline
      Einstein
      last edited by

      Now I realised that the issue I first described (not affecting all selected groups) only occurs when I make a group (say, simple cube) and copy it, so Entity Info says for example: "3 Solid Groups (3 in model)". This is a situation to avoid in general. SketchUp behaves strange when you copy groups and not edit the copies.

      If I create groups independently and not duplicate them, FredoCorner works fine.

      Nevertheless, due to the crash I caused in SketchUp 2018, I'm reporting this. The attached model contains a group that was duplicated twice and they cause problems with selection.

      Referring to the second issue (with face division), I think that perfect solution would be a button toggling whether "chamfer-faces" are divided along, or not.


      3 solid groups.skp

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      • uwesketchU Offline
        uwesketch
        last edited by

        Hi Fredo,

        When using Catmull-Clark subdivision (i.e. Thomthoms SubD) to smooth a corner, then the subdivided corner in general is not an arc. It is more like a squircle. See pictures 2 - 4 below.
        If subdivision shall generate something that is close to an arc with a given radius, then the control mesh to start with cannot be an arc with the same radius or a square. (See pictures 1 to 4).

        You get very close to a circle after subdivision, if you start with a regular n-gon where the Inner radius is the same as the offset. (the first and last segment of the n-gon are coplanar to the side faces of the cube)
        Therefore it would be helpful, if FredoCorner could provide an option under the category "SubDivision" to create profiles as regular N-Gons with the inner radius = offset.
        In an earlier post I mentioned that a squircle with an exponent value of roughly 2.1 gives good results as well. But a regular n-gon as the profile is even better.

        In addition when subdividing a rounded corner, you may not want the whole object to shrink (which Catmull-Clark subdivision does by definition). This can be easily achieved when setting the border edges to creased in SubD. This has been done in the below examples.

        As you can see with an 8-gon you already get a subdivided surface being 1.2% off a circle. With a 16-gon you are only 0.6% off.

        The currently provided "SubDivision" option is basically a regular 4-gon with "inner radius = offset" and hence the proposed n-gon profile can be seen as a generalization of the existing option.

        FreThom overview

        Circle for 4 segment corner
        Circle for 4 segment corner - Subdivided

        FredoCorner Subdivision (regular 4-gon with 1 segment)
        FredoCorner Subdivision (4-gon with 1 segment) - Subdivided

        Regular 8-gon for 2 segment corner
        Regular 8-gon for 2 segment corner - Subdivided

        Regular 12-gon for 3 segment corner
        Regular 12-gon for 3 segment corner - Subdivided

        Regular 16-gon for 4 segment corner
        Regular 16-gon for 4 segment corner - Subdivided

        Regular 20-gon for 5 segment corner
        Regular 20-gon for 5 segment corner - Subdivided

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        • fredo6F Offline
          fredo6
          last edited by

          @einstein said:

          Now I realised that the issue I first described (not affecting all selected groups) only occurs when I make a group (say, simple cube) and copy it, so Entity Info says for example: "3 Solid Groups (3 in model)". This is a situation to avoid in general. SketchUp behaves strange when you copy groups and not edit the copies.

          If I create groups independently and not duplicate them, FredoCorner works fine.

          Nevertheless, due to the crash I caused in SketchUp 2018, I'm reporting this. The attached model contains a group that was duplicated twice and they cause problems with selection.

          I fixed the problem when you preselect several groups which are fresh copies of each others (and thus share the same definition). It will go in the next release.

          @einstein said:

          Referring to the second issue (with face division), I think that perfect solution would be a button toggling whether "chamfer-faces" are divided along, or not.

          Actually I am looking for a more transparent solution which does what is appropriate to the situation. Not so easy however.

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          • fredo6F Offline
            fredo6
            last edited by

            @uwesketch,

            I am not sure I full understand the case, but apparently you would like that the SubDiv tool create several subdivision lines instead of one.

            First the SubDiv tool is only useful if your solid has other faces that would be subdivided. If you just want to round a cube, then use the Rounding tool of FredoCorner, where you have the Circle profile.

            Second, unless you have orthogonal faces like in a cube, you will never get uniform circular rounding in the solid whatever you do, because the profile will be stretched at some borders and corners to ensure the continuity of rounding.

            Would have an example of solid which is not with orthogonal faces and where subdivision also affect other faces?

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            • fredo6F Offline
              fredo6
              last edited by

              NEW RELEASE: FredoCorner v1.5c - 14 Feb 19

              Requirement: LibFredo6 8.7k

              FredoCorner 1.5c fixes an issue when pre-selecting multiple groups, among which some are fresh copies of the others..


              Please note that, in the current version of FredoCorner:

              • there are issues with some shortcut modifiers (Ctrl, Alt) on Mac)
              • there are known issues and bugs here and there. This concerns in particular Collisions, i.e. when the offset is too large.
              • Terminal corners (that is ending on a single edge) may present issues and bugs
              • No documentation yet, so watch the videos that I will publish.

              Please report issues, questions and any feedback in the present thread


              Home Page of FredoCorner for information and Download.

              Main post of this FredoCorner thread.

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              • uwesketchU Offline
                uwesketch
                last edited by

                @unknownuser said:

                Fredo wrote:
                I am not sure I full understand the case, but apparently you would like that the SubDiv tool create several subdivision lines instead of one.

                Yes, exactly: more lines .
                The point is that the SubD Plugin will subdivide all faces in a Group/Component. So if I use a FredoCorner Circle to create a smooth corner (with many Segments) and then use as well SubD to smooth the rest of the component, SubD will subdivide as well the already smooth FredoCorner faces. This generates far too many faces and SubD will fail.

                Therefore the idea is that FredoCorner should create a rough SubDivision mesh, so that SubD will generate a nice approximated circle for the corner and also smoothes the rest of the component.

                I also tried it with an Edge where the two faces are not orthogonal. SubD will generate an approximated arc when using the proposed n-gon as a basis.

                The existing option "Subdivision" in FredoCorner is good, but too rough of a mesh, if you want SubD to produce a "circle like" smoothing of the Corner.

                Example of object using FredoCorner and SubD (only the Bell):
                Example combining FredoCorner and SubD

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                • fredo6F Offline
                  fredo6
                  last edited by

                  I got it. This is just a little bit complicated, but probably doable.

                  Fredo

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                  • E Offline
                    Einstein
                    last edited by

                    Hi!
                    I have a model where I want do bevel about 500 edges at once. I get an error "CATENA Compute all", whatever it means. It won't let me bevel these edges. Problem doesn't occur with Round Corner. Is it that Fredo Corner just doesn't manage too many edges? Even if so, 500 is not soo many. Even if I select some of them, problem still occurs. About 150 edges is maximum that can be performed.
                    Maybe it's because currently my SketchUp runs on integrated Intel graphics card with very limited performance.
                    I attach the problematic model.

                    /SketchUp 2017 on Win7


                    CATENA Compute all.skp

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                    • E Offline
                      Einstein
                      last edited by

                      Also there are mesh errors in some cases, when bevelling triangulated meshes.

                      • screenshot with bug report in some other case of triangulated mesh.

                      bevelling mesh errors.skp


                      bug report.png

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                      • fredo6F Offline
                        fredo6
                        last edited by

                        @einstein said:

                        I have a model where I want do bevel about 500 edges at once. I get an error "CATENA Compute all", whatever it means. It won't let me bevel these edges. Problem doesn't occur with Round Corner. Is it that Fredo Corner just doesn't manage too many edges? Even if so, 500 is not soo many. Even if I select some of them, problem still occurs. About 150 edges is maximum that can be performed.
                        Maybe it's because currently my SketchUp runs on integrated Intel graphics card with very limited performance.

                        Oops! Thanks for signaling. I unfortunately left some limitations for debugging purpose.

                        So fixed in next version.

                        FredoCorner - Einstein - Catena.gif

                        Fredo

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                        • fredo6F Offline
                          fredo6
                          last edited by

                          NEW RELEASE: FredoCorner v1.6a - 20 Feb 19

                          Requirement: LibFredo6 8.7k

                          FredoCorner 1.6a fixes an issue when pre-selecting a lot of edges. There were artificial limitations in the script which are now removed.


                          Please note that, in the current version of FredoCorner:

                          • there are issues with some shortcut modifiers (Ctrl, Alt) on Mac)
                          • there are known issues and bugs here and there. This concerns in particular Collisions, i.e. when the offset is too large.
                          • Terminal corners (that is ending on a single edge) may present issues and bugs
                          • No documentation yet, so watch the videos that I will publish.

                          Please report issues, questions and any feedback in the present thread


                          Home Page of FredoCorner for information and Download.

                          Main post of this FredoCorner thread.

                          1 Reply Last reply Reply Quote 0
                          • fredo6F Offline
                            fredo6
                            last edited by

                            @einstein said:

                            Also there are mesh errors in some cases, when bevelling triangulated meshes.

                            • screenshot with bug report in some other case of triangulated mesh.

                            Do you have the models with the multiple bricks (the one attached only contains 1 brick and is related to the problem of 2 segment beveling). Thanks.

                            Fredo

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                            • E Offline
                              Einstein
                              last edited by

                              @fredo6 said:

                              Do you have the models with the multiple bricks (the one attached only contains 1 brick and is related to the problem of 2 segment beveling). Thanks.

                              Fredo

                              Now it works fine. It looks like your last fix fixed also the last issue 😄

                              The only issue which is still there is the one with broken mesh.

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                              • D Offline
                                dell oglio
                                last edited by

                                Hi, thank for Your Work on sketchup, it is amazing.

                                The fredo corner give me an error when i try to use the chop corner on every corner...How I can Resolve? thanks


                                Screenshot 2019-02-22 17.59.39.jpg

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                                • fredo6F Offline
                                  fredo6
                                  last edited by

                                  @dell oglio said:

                                  The fredo corner give me an error when i try to use the chop corner on every corner...How I can Resolve? thanks

                                  First, can you update your profile, at least concerning the SketchUp version you do use (SketchUp 2014 is shown currently, but FredoCorner only runs on SketchUp 2016 and above).

                                  Second, you do not seem to use the latest version of FredoCorner. Can you download it and check if you still have the problem.

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                                  • yanrothwellY Offline
                                    yanrothwell
                                    last edited by

                                    I've used the old Round Corner for years and now am using this plugin... Thanks so much for it and all your plugins Fredo

                                    MY corners are inverted and I can't make them as 'normal' round corners. It's not the reversed faces, and clicking invert doesn't do anything... Any idea?

                                    Merci in advance

                                    Ian

                                    http://www.ianrothwell.co.uk

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                                    • fredo6F Offline
                                      fredo6
                                      last edited by

                                      @yanrothwell said:

                                      MY corners are inverted and I can't make them as 'normal' round corners. It's not the reversed faces, and clicking invert doesn't do anything... Any idea?

                                      Could you show or post the model please.

                                      Fredo

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                                      • A Offline
                                        amsalari
                                        last edited by

                                        WOW, Thanks For nice and very well work

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                                        • fredo6F Offline
                                          fredo6
                                          last edited by

                                          NEW RELEASE: FredoCorner v1.6b - 18 Apr 19

                                          Requirement: LibFredo6 8.8a

                                          FredoCorner 1.6b fixes bugs and extend validity.


                                          Please note that, in the current version of FredoCorner:

                                          • there are issues with some shortcut modifiers (Ctrl, Alt) on Mac)
                                          • there are known issues and bugs here and there. This concerns in particular Collisions, i.e. when the offset is too large.
                                          • Terminal corners (that is ending on a single edge) may present issues and bugs
                                          • No documentation yet, so watch the videos that I will publish.

                                          Please report issues, questions and any feedback in the present thread


                                          Home Page of FredoCorner for information and Download.

                                          Main post of this FredoCorner thread.

                                          1 Reply Last reply Reply Quote 0
                                          • N Offline
                                            noldo
                                            last edited by

                                            Hi Fredo, the plug-in fail with this geometry type.
                                            Roundcorner work correctly.


                                            Untitled.jpg


                                            Untitled.skp

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