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    Mirror object

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    • S Offline
      suSteve
      last edited by

      Hi,

      I am using TIGs excellent (thank you) mirror.rb but I am unsure on how it works. I have an object (arrow) and I want to mirror it so the new object is at right-angles to the point of the arrow (see image). Is this possible with mirror ?

      thank you


      mirrorArrow.jpg

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      • S Offline
        suSteve
        last edited by

        thanks for the help. I do this and end up with the attached.

        Select arrow > select mirror and click on point 1 > drop down to base of arrow and click > move up 45 deg and click again

        Could you please explain what is happening with the two lines I draw after clicking the object (the one that goes straight down and then the one at 45 degs)

        thank you


        mirrorArrow2.png

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        • Alan FraserA Offline
          Alan Fraser
          last edited by

          It would be far simpler to use Rotate/Copy.
          Select the arrow then orbit so that you are looking down on it. Choose the Rotate tool, place the rotate cursor on the ground so that it turns blue, then lock it in that position by holding down Shift.
          Move the cursor to the point of the arrow indicated by your smaller drawn arrow and click once on your mouse.
          Press Ctrl once to get a small plus sign next to the cursor (indicating a copy rather than rotation of the original) then click another twice 90° apart...preferably on axis so you get a precise 90° inference.

          It sound complex the first time, but is very straightforward and takes about two seconds to complete.

          3D Figures
          Were you required to walk 500 miles? Were you advised to walk 500 more?
          You could be entitled to compensation. Call the Pro Claimers now!

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          • D Offline
            d12dozr
            last edited by

            Use a temporary guideline, then with the mirror tool, click on the numbers in order


            Click for full size...

            3D Printing with SketchUp Book
            http://goo.gl/f7ooYh

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            • D Offline
              d12dozr
              last edited by

              The guideline is on the ground plane...kinda hard to tell from my picture. I've attached the SKP so you can try it.

              ...Alan is right of course, but I wanted to show this because in other cases the mirror tool may be easier.


              Mirror Arrow.skp

              3D Printing with SketchUp Book
              http://goo.gl/f7ooYh

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              • S Offline
                suSteve
                last edited by

                thank you d12dozr. Your skp works fine (of course) so now I can see where I am going wrong.

                [Alan your signature reminds me that I proposed to my wife at Formby point many years ago.]

                Still unsure what the two lines do when you draw them after clicking a start point with the mirror tool selected. I have played around with it for ages but can't seem to work out the rules of it.

                thanks again (much appreciated)

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                • jeff hammondJ Offline
                  jeff hammond
                  last edited by

                  @susteve said:

                  Still unsure what the two lines do when you draw them after clicking a start point with the mirror tool selected. I have played around with it for ages but can't seem to work out the rules of it.

                  thanks again (much appreciated)

                  the lines define the plane of the mirror.. literally, think of putting a real mirror in your sketchup drawing.. the first line of the mirror plugin tells where to put the bottom (for all intents and purposes of this visual) edge of the mirror and the second line represents the adjacent edge..

                  dotdotdot

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                  • S Offline
                    suSteve
                    last edited by

                    thanks Jeff, playing around with it again after seeing d12dozr's skp revelation and now I can see how it works. Thinking about it like a real mirror helps me visualise it better - thank you

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                    • Alan FraserA Offline
                      Alan Fraser
                      last edited by

                      @susteve said:

                      [Alan your signature reminds me that I proposed to my wife at Formby point many years ago.]

                      You wouldn't have wanted to repeat that today, Steve. I took the pooch for a walk on the beach this morning...bloody freezing and blowing a gale. 😄.

                      3D Figures
                      Were you required to walk 500 miles? Were you advised to walk 500 more?
                      You could be entitled to compensation. Call the Pro Claimers now!

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                      • Jean LemireJ Offline
                        Jean Lemire
                        last edited by

                        Hi Folks.

                        See attached SU file for ideas.


                        Mirror along any plane.skp

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

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                        • pbacotP Offline
                          pbacot
                          last edited by

                          Jean,
                          In your second example (scene 5) how do you set the rotation using the guide line?

                          Peter

                          MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                          • Jean LemireJ Offline
                            Jean Lemire
                            last edited by

                            Hi Peter, hi folks.

                            See this page in SketchUp help:

                            http://support.google.com/sketchup/bin/answer.py?hl=en&answer=94897

                            Just ideas.

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

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                            • pbacotP Offline
                              pbacot
                              last edited by

                              @jean lemire said:

                              Hi Peter, hi folks.

                              See this page in SketchUp help:

                              http://support.google.com/sketchup/bin/answer.py?hl=en&answer=94897

                              Just ideas.

                              Doh! 👊 Thanks Jean. I am sure I've done that before but left the method unused for too long.

                              Peter

                              MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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