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    DWG Files Not Scale Says Client

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    • pbacotP Offline
      pbacot
      last edited by

      Have you opened the dwg file yourself? Send it to a third party for checking. Sounds like he is not using AutoCAD so you should be sure it's not actually his doing. Maybe at some point meters are being used instead of cm.

      MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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      • Joe WoodJ Offline
        Joe Wood
        last edited by

        I included the dwg in my last post, I never use dwg so not sure how I can measure a dwg.

        Joe Wood
        woodsshop.com/

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        • BepB Offline
          Bep
          last edited by

          Goodday Joe,

          The drawing is scaled 1:2,54 see point 2
          As you see i scaled it a factor 2.54 to get the dimensions right
          There is a smal error 0.03mm at point 1, you have to zoom in very close.
          I use the(free) pCon.planner http://pcon-planner.com/en/download/ or Draftsight https://www.3ds.com/products-services/draftsight-cad-software/free-download/ software to use a .DWG


          2017-12-21 18_22_02-Rafter Details.dwg (alleen lezen) - pCon.planner (64 bit).png


          2017-12-21 18_22_02-Rafter Details.dwg (alleen lezen) - pCon.planner (64 bit).png

          "History is written by the winners"

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          • Joe WoodJ Offline
            Joe Wood
            last edited by

            Goodday to you Bep!

            so what is wrong with my export to give that scale? I have dwg export set to full sized scale?

            Or is the skp model scale set wrongly?

            Joe Wood
            woodsshop.com/

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            • pbacotP Offline
              pbacot
              last edited by

              I see. I opened in PowerCADD and at 1:2 scale, yes it is out of scale. My result is the dimensions are less than half of what they should be.

              Not being familiar with your drawing (what scale it would be normally presented in) and metric drawings in general, it's hard for me to analyze what is going on as I would with a feet/ inches import.

              I think you have to review your export process. You need to have some software to check your exports with.

              MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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              • Joe WoodJ Offline
                Joe Wood
                last edited by

                Darn, well I usually work in inches feet, but changed this model to metric cm.

                The model is too big to post, how else can we figure this out?

                Joe Wood
                woodsshop.com/

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                • BepB Offline
                  Bep
                  last edited by

                  Probably someone with more experience in Layout can help you out here.
                  I suspect it has something to do with the settings in Layout versus Sketchup.

                  "History is written by the winners"

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                  • Joe WoodJ Offline
                    Joe Wood
                    last edited by

                    I'm not using layout, just exporting the dwg files.

                    strange as I get things cut by CNC using my dwg files and they always come out perfectly. I'm always using Imperial though and not metric in the model Units.

                    Joe Wood
                    woodsshop.com/

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                    • TIGT Offline
                      TIG Moderator
                      last edited by

                      When you export a 2d DWG/DXF it is always in inches [SketchUp's built-in units].
                      When you export a 3d version it is set up in the model-units.

                      If you use imperial [inches] it doesn't matter with your exports when the recipient is using inches too.
                      BUT with 2d it messes up metric users...
                      So this explains the 2.54 scaling issue.

                      So either export as 3d. or scale a copy of the metric SKP down to suit (1/2.54) and use 2d export on that ?

                      TIG

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                      • Joe WoodJ Offline
                        Joe Wood
                        last edited by

                        Tig do you mean set the camera to perspective then export?

                        geeze how do I scale a model to 1/2.54 ? Won't that mess up the on screen dimensions on the dwg file?

                        Joe Wood
                        woodsshop.com/

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                        • TIGT Offline
                          TIG Moderator
                          last edited by

                          No, don't use 'perspective'.
                          Just use an orthogonal view, with NO perspective.

                          Then the 2d/3d versions are all but equivalent, but the units are sorted properly in 3d.

                          I see what you mean about any dimensions changing when scaling...

                          I therefore recommend exporting as the 3d version, or tell the recipient to scale down in the 2d CAD version by 1/2.54 etc...
                          In the CAD version the dims should be unaffected ?

                          TIG

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                          • Joe WoodJ Offline
                            Joe Wood
                            last edited by

                            sorry Tig but I don't understand "exporting as the 3d version".

                            Joe Wood
                            woodsshop.com/

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                            • BepB Offline
                              Bep
                              last edited by

                              2017-12-21 21_29_26-joe.dwg - pCon.planner (64 bit).png

                              "History is written by the winners"

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                              • Joe WoodJ Offline
                                Joe Wood
                                last edited by

                                That didn't work, it created a top view of the whole model?


                                3d dwg.png

                                Joe Wood
                                woodsshop.com/

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                                • Joe WoodJ Offline
                                  Joe Wood
                                  last edited by

                                  How about this, I Edited all the dimensions but kept them at cm, then I changed the Model Units back to inches and exported a 2d dwg?

                                  I measure these with P Con and looks good to me?


                                  France 2.dwg

                                  Joe Wood
                                  woodsshop.com/

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                                  • pbacotP Offline
                                    pbacot
                                    last edited by

                                    And LayOut can't do it?

                                    MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                    • Dave RD Offline
                                      Dave R
                                      last edited by

                                      @joe wood said:

                                      I've never used Layout I'm hard core native tool SUpper!

                                      Joe, that's like saying you own one of these but the only feature you use is the slot mortiser.

                                      https://pim.felcom.at/WEB/Machines/FGROUP/Large 1140x743/5-fach Kombimaschinen/C3-31-Perform--3e633f46008460b91a23.png

                                      Etaoin Shrdlu

                                      %

                                      (THERE'S NO PLACE LIKE)

                                      G28 X0.0 Y0.0 Z0.0

                                      M30

                                      %

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                                      • Joe WoodJ Offline
                                        Joe Wood
                                        last edited by

                                        I've never used Layout I'm hard core native tool SUpper!

                                        but I'm trying it right now!

                                        in Layout is it a dwg and can he measure the endpoints Etc?

                                        Joe Wood
                                        woodsshop.com/

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                                        • Joe WoodJ Offline
                                          Joe Wood
                                          last edited by

                                          yeah you're right but that's all I've ever needed out of SUp just the basic tools.

                                          in Layout is it a dwg and can he measure the endpoints Etc?

                                          Joe Wood
                                          woodsshop.com/

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                                          • Dave RD Offline
                                            Dave R
                                            last edited by

                                            @joe wood said:

                                            yeah you're right but that's all I've ever needed out of SUp just the basic tools.

                                            in Layout is it a dwg and can he measure the endpoints Etc?

                                            You can export a DWG from LayOut. LayOut makes it easier to display the views of your model and its parts. You can add dimensions in LO if needed and generate PDFs with properly scaled views.

                                            Etaoin Shrdlu

                                            %

                                            (THERE'S NO PLACE LIKE)

                                            G28 X0.0 Y0.0 Z0.0

                                            M30

                                            %

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