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    [Plugin] Import STL files

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    • W Offline
      watkins
      last edited by

      Dear Didier,

      I imagine so or someone would have done it by now. It was just something to put on the wish list.

      Regards,
      Bob

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      • E Offline
        Eric_J
        last edited by

        Hello Didier

        This file does not seem to work for me, and I have some questions?

        1. The file appears to be in binary format. Do I need to have it in ASCII format to use it on a Mac?
        2. On a Mac, exactly which "plugins" folder should the file be placed? I can find at least two. (Library/Application Support/Google SketchUp 6/SketchUp/plugins and Applications/SketchUp.app/Contents/Plugins)
        3. The file has an ".rb" extension. Double clicking the binary file attempts to open the application RealBasic, for which I do not have a license. Do I need to purchase a license for RealBasic or would that be resolved by having the file in ASCII format?

        Many thanks in advance for any assistance.

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        • R Offline
          remus
          last edited by

          1. and 3) a .rb is really jsut a text file. You should be able to open it in any plain test editor, like notepad on windows (not sure what the mac equivalent is)

          2)Not sure about this one, im sure a more mac savy person will come along and tell you where to put it.

          http://remusrendering.wordpress.com/

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          • E Offline
            Eric_J
            last edited by

            OK, it seems to work when put into Library/Application Support.../plugins, and it seems to export properly!

            Thanks again!

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            • H Offline
              Howard leslie
              last edited by

              Didier,
              If possible, could you adjust your script so it mines down into all groups and components and converts all data in a model to *.stl ??? (or a *.sat file ???)
              Additionally, all stl objects are to retain the sketchup group and component names.
              ...........
              I know TIG has produced several very useful scripts with this mining ability that dig down into all groups and components.
              Some of his code could possibly help ???
              ............
              This would make your script so much more useful
              Anything you can do, hugely appreciated.

              Regards
              Howard L'

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              • Didier BurD Offline
                Didier Bur
                last edited by

                Hi
                I'll see what I can do. Code exists also in su2pov for instance so it is just a question of time (which is hard to find these days for me...)
                Regards,

                DB

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                • C Offline
                  casey344
                  last edited by

                  First, thank you for posting the utility - getting this to work will save us so much time.

                  My STL file is not importing properly. I get the prompt to specify scale then a jumbled version of what I am importing. See image below.

                  I am using Sketchup 7.0. Any ideas what I am doing wrong?

                  Thank you.


                  Screen Snaper Image.jpg

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                  • Didier BurD Offline
                    Didier Bur
                    last edited by

                    Hi,

                    @unknownuser said:

                    I am using Sketchup 7.0. Any ideas what I am doing wrong?

                    Not at all. It can be aproblem with SU7, or a problem with the STL file. Post it here so I can check it.
                    Regards,

                    DB

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                    • C Offline
                      casey344
                      last edited by

                      Thanks for offering to help.

                      You should be able to pick it up here ...

                      Link to file:
                      https://download.yousendit.com/bVlCSXR3Mm1wTVYzZUE9PQ

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                      • Didier BurD Offline
                        Didier Bur
                        last edited by

                        AAARGGHHHH 71 Mb !
                        Downloading it now, but I guess the file is too big for SU...

                        DB

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                        • C Offline
                          casey344
                          last edited by

                          Sorry, not my doing. πŸ˜•

                          Manufacturer sent it that way.

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                          • J Offline
                            jwelin
                            last edited by

                            Thanks for the work on this plugin. I have a three questions:

                            Is there a limit to the level of nested groups/components it exports?

                            The exported STL seems to be incompatible with some applications. Rhino sees the geometry, for instance, while Magics does not. Also an SU2stl generated stl, opened in Rhino and resaved as an STL is much smaller in file size. Would you like to see examples?

                            Is there a way to call this plugin from another? I have a need to batch export.

                            John Welin
                            architectural model maker
                            Chicago, USA

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                            • Didier BurD Offline
                              Didier Bur
                              last edited by

                              Hi,

                              @unknownuser said:

                              The exported STL seems to be incompatible with some applications

                              There are several STL formats which slightly differ in their syntax. The one I have choosen to export is the most standard one, as defined here for instance:
                              http://www.gom.com/CONTAINER/files/sp_stl_en.pdf
                              or here:
                              http://mech.fsv.cvut.cz/~dr/papers/Lisbon04/node2.html
                              Maybe some applications do not support every kind of STL ?

                              @unknownuser said:

                              an SU2stl generated stl, opened in Rhino and resaved as an STL is much smaller in file size

                              I don't have Rhino, but I suppose that it saves an STL in the binary format, while my script saves it in ASCII (text), which is 8 times bigger (average). You can see the same differences between an ascii dxf and a binary dxf (dxb) for instance.

                              @unknownuser said:

                              Is there a limit to the level of nested groups

                              No. Not tested here but as a recursive method is involved, there should be no limits.
                              Components are NOT supported, groups are.

                              @unknownuser said:

                              Is there a way to call this plugin from another?

                              Unfortunately no.

                              Regards,

                              DB

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                              • thomthomT Offline
                                thomthom
                                last edited by

                                @didier bur said:

                                @unknownuser said:

                                Is there a limit to the level of nested groups

                                No. Not tested here but as a recursive method is involved, there should be no limits.
                                Components are NOT supported, groups are.

                                I found that recursive methods might cause SU to bugsplat. http://www.sketchucation.com/forums/scf/viewtopic.php?f=180&t=15585&p=120726 I had a method that looped over entities to find connected entities which used a recursive method. Had to change it to an iterative method.

                                Thomas Thomassen β€” SketchUp Monkey & Coding addict
                                List of my plugins and link to the CookieWare fund

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                                • Didier BurD Offline
                                  Didier Bur
                                  last edited by

                                  @unknownuser said:

                                  I found that recursive methods might cause SU to bugsplat.

                                  Bad news 😞

                                  DB

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                                  • thomthomT Offline
                                    thomthom
                                    last edited by

                                    Mind you, it happens when you do many recursions. When crawling geometry you quickly end up with hundreds iterations. So if the script never goes that deep you're ok. But it's something to be aware of.

                                    Thomas Thomassen β€” SketchUp Monkey & Coding addict
                                    List of my plugins and link to the CookieWare fund

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                                    • N Offline
                                      NewOne
                                      last edited by

                                      When exporting STL from SolidWorks, here is an option to put all geometry in same file or to create separate file for each part. Mr. Didier Bur, could this script to be modified in a manner that allows multiple file selection and each geometry to be made group (or component if there are more identical parts) ? Or to specify a folder where stl part files are located?

                                      Thank you.

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                                      • Didier BurD Offline
                                        Didier Bur
                                        last edited by

                                        Dropped into the to-do list πŸ˜‰

                                        DB

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                                        • GaieusG Offline
                                          Gaieus
                                          last edited by

                                          bump
                                          (sorry Dider - no practical reason just testing some moderation stuff)

                                          Gai...

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                                          • S Offline
                                            stefkeB
                                            last edited by

                                            Minor improvement:

                                            On line 54 you call the "openpanel" method when exporting. This should be "savepanel", so the user gets the correct dialog displayed. Still works on Windows but not on OSX, where you need to point to an already existing file.

                                            Also, the default "." file location could be replaced with ENV['USER'] or ENV['HOME'] or preferably the current file folder, as to make it more convenient. With 'USER' it works much better for me on OSX.

                                            (I refer to the unscrambled file, obviously, not the compacted one -- maybe the reason why people think it is a binary file)

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