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    FredoStretch Problem

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    • Dave RD Offline
      Dave R
      last edited by

      I opened the file but there's no component. Just loose geometry. When I make a component of it and run the stretch tool, it works just fine.

      Etaoin Shrdlu

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      • D Offline
        dedmin
        last edited by

        Because it is a component - You have to insert it as a component. Checked this - exploded and recreated it - the same. Also did the same as You - the same error as before. When I zoom in the misalignment can be seen -

        Capture.PNG

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        • D Offline
          dedmin
          last edited by

          It seems like the default is not stretching with the bounding box 😮 😮

          Capture2.PNG

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          • Dave RD Offline
            Dave R
            last edited by

            Even if I import your SKP so it comes in as a component, I have no problem with the box not aligning correctly. I'm not getting the problem.

            Etaoin Shrdlu

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            • D Offline
              dedmin
              last edited by

              Strange! Anyway, I made everything from scratch and now seems OK. But I always thought the default is to stretch with the bounding box - I have to be careful in the feature! 💭

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              • Dave RD Offline
                Dave R
                last edited by

                Interesting thing. I just made a cylinder and tried it. With that I do get what you are showing and the alignment is off by 7.5°. I drew the initial circle dragging out the radius along an axis. The Stretch tool puts aligns the green bounding box to the shortest dimension across the circle which means it ends up being skewed a bit.

                Etaoin Shrdlu

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                (THERE'S NO PLACE LIKE)

                G28 X0.0 Y0.0 Z0.0

                M30

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                • D Offline
                  dedmin
                  last edited by

                  Yes, something is not right! I use this tool a lot and this behavior is very annoying!

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                  • Dave RD Offline
                    Dave R
                    last edited by

                    It kind of makes sense to me on the cylinder because the tool is making the smallest possible bounding box however I would guess that's not really desired in the case of the cylinder since you'd want it to treat it as a cylinder and not a 24-sided polygon.

                    Etaoin Shrdlu

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                    • mitcorbM Offline
                      mitcorb
                      last edited by

                      I think the tool is aligning with the nearest segment of the circle that forms the cylinder, since you mentioned that 7.5 degree offset. Again, this is just a guess.

                      I take the slow, deliberate approach in my aimless wandering.

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                      • Dave RD Offline
                        Dave R
                        last edited by

                        @mitcorb said:

                        I think the tool is aligning with the nearest segment of the circle that forms the cylinder, since you mentioned that 7.5 degree offset. Again, this is just a guess.

                        Yes, that's how I came up with the 7.5°. The box is aligned with the shortest dimensions across the circle and not treating the circle as a circle but as a 24-sided polygon.

                        Etaoin Shrdlu

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                        • fredo6F Offline
                          fredo6
                          last edited by

                          @mitcorb said:

                          I think the tool is aligning with the nearest segment of the circle that forms the cylinder, since you mentioned that 7.5 degree offset. Again, this is just a guess.

                          This is correct.
                          Unfortunately, for symetrical shapes like circles, this may not represent the intuitive orientation. I am afraid there is no magic fix in the general case.

                          The best is simply to orient the box manually to the desired direction (click on an edge in the model, or using the arrows for aligning on model axes).

                          Fredo

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