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3D Truss Models

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  • M Offline
    medeek
    last edited by 8 Feb 2017, 07:13

    I'm quite familiar with all of the industry names for various configurations of roof trusses (ie. Fink, Howe, Mod Queen, King Post, Queen Post, Double Fink etc...) What distinguishes these trusses from each other is the configuration of the webs of the truss which is dictated by the number of panels of the top chords and bottom chords. For example the Howe truss is four top chord panels and four bottom chord panels (4/4). Most diagrams show up to a Triple Howe truss (8/8). What is not typically shown is an (8/6) and (8/7) truss, is there any reason for this? These two configurations seem perfectly valid to me, I would call them a Triple Queen and Fan Fink truss respectively. Has anyone come across either of these two configurations?

    Nathaniel P. Wilkerson PE
    Medeek Engineering Inc
    design.medeek.com

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    • M Offline
      medeek
      last edited by 8 Feb 2017, 07:48

      Actually I would change the name of the Fan Fink to Double Fan.

      The next size up would be:

      Quad Fan 10/5
      Double Mod Fan 10/6
      Triple Fan 10/7
      Quad Queen 10/8
      Quad Fink 10/9
      Quad Howe 10/10

      As the number of panels increase in the top chord the number of potential variations increases. So for a four panel top chord truss the number of variations is three, the general pattern is:

      (2/x) truss = 1 possible configuration
      (4/x) truss = 3 possible configurations
      (6/x) truss = 4 possible configurations
      (8/x) truss = 5 possible configurations
      (10/x) truss = 6 possible configurations
      (12/x) truss = 7 possible configurations
      ...

      Nathaniel P. Wilkerson PE
      Medeek Engineering Inc
      design.medeek.com

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      • M Offline
        medeek
        last edited by 10 Feb 2017, 14:52

        My naming convention for the 12/x series of common trusses.

        http://design.medeek.com/resources/images/TRUSS_TYPES_12x.jpg

        Trusses sure are beautiful things.

        Nathaniel P. Wilkerson PE
        Medeek Engineering Inc
        design.medeek.com

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        • M Offline
          medeek
          last edited by 11 Feb 2017, 21:12

          The common fan truss now has raised heels, plates, materials and layers:

          http://design.medeek.com/resources/images/truss_su193_800.jpg

          I apologize for the slow progress. I've had some 12 hour work days last week so I didn't have much left in the tank once I got home, usually just eat and then went straight to bed.

          Nathaniel P. Wilkerson PE
          Medeek Engineering Inc
          design.medeek.com

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          • M Offline
            medeek
            last edited by 12 Feb 2017, 08:44

            I've been thinking about stub trusses, is there any need for those?

            Nathaniel P. Wilkerson PE
            Medeek Engineering Inc
            design.medeek.com

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            • M Offline
              medeek
              last edited by 12 Feb 2017, 08:52

              I originally made the roof pitch a drop down box/option since most people use standard roof pitches with their roofs (ie. 4:12, 7:12, 9.5:12 etc...) However, the problem with that is it does not allow one to enter in values other than those provided in the drop down list. The alternative would be to make this a simple text field where the user specifies the roof pitch however my thinking was having the drop down list was more convenient. For the metric templates (when the plugin switches to metric mode) the pitch is given in degrees rather than the customary US pitch (x/12) method, and there is no drop down list, the user just enters in the degrees.

              I guess what I should do is add an option into the global settings which allows one to toggle between the drop down list or a simple text field for the pitch input, for the imperial units template.

              Nathaniel P. Wilkerson PE
              Medeek Engineering Inc
              design.medeek.com

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              • M Offline
                medeek
                last edited by 12 Feb 2017, 20:25

                Version 1.8.3 - 02.12.2017

                • Enabled metal plate connectors, materials and custom layers for Fan trusses.
                • Added energy/raised heels for Fan truss (3 variants: wedge, slider and vertical w/ strut).
                • Roof slope can be toggled between Pitch or Degrees (input) for common trusses in the global settings.

                http://design.medeek.com/resources/images/truss_su193_800.jpg

                Currently the metric template forces the roof slope to degrees however in the imperial templates (inches, feet) the user can select between Pitch or Angle for common truss types. I will need to update all of the truss types with this global setting option.

                Nathaniel P. Wilkerson PE
                Medeek Engineering Inc
                design.medeek.com

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                • M Offline
                  medeek
                  last edited by 15 Feb 2017, 05:49

                  Version 1.8.4 - 02.14.2017

                  • Enabled roof cladding for gable and hip rafter roofs.
                  • Roof slope can be toggled between Pitch or Degrees (input) for gable and hip rafter roofs in the global settings.

                  Nathaniel P. Wilkerson PE
                  Medeek Engineering Inc
                  design.medeek.com

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                  • M Offline
                    medeek
                    last edited by 16 Feb 2017, 02:04

                    To create this roof was not an entirely automated process but I'm slowly getting there. The trim tool comes in really handy for creating valley and jack rafters but ultimately it would be nice to auto create L-Shaped, T-Shaped and U-Shaped roofs.

                    http://design.medeek.com/resources/images/truss_su194_800.jpg

                    View model here:

                    Link Preview Image
                    3D Warehouse

                    3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                    favicon

                    (3dwarehouse.sketchup.com)

                    Nathaniel P. Wilkerson PE
                    Medeek Engineering Inc
                    design.medeek.com

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                    • P Offline
                      pbacot
                      last edited by 16 Feb 2017, 03:23

                      Impressive work here! Thanks for the update!

                      MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                      • M Offline
                        medeek
                        last edited by 16 Feb 2017, 12:20

                        Nathaniel P. Wilkerson PE
                        Medeek Engineering Inc
                        design.medeek.com

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                        • M Offline
                          medeek
                          last edited by 18 Feb 2017, 15:43

                          Found a small bug/typo in the latest release in the gable roof cladding, rolled a minor rev. 1.8.4b.

                          Nathaniel P. Wilkerson PE
                          Medeek Engineering Inc
                          design.medeek.com

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                          • M Offline
                            medeek
                            last edited by 18 Feb 2017, 22:38

                            Version 1.8.5- 02.18.2017

                            • Enabled roof cladding for dutch gable and TJI rafter roofs.
                            • Added TJI rafter roofs with dual glulam beams.
                            • Added Soffit Cut within Advanced Options for TJI Roof w/ GLB.

                            http://design.medeek.com/resources/images/truss_su195_800.jpg

                            View model here:

                            Link Preview Image
                            3D Warehouse

                            3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                            favicon

                            (3dwarehouse.sketchup.com)

                            First new roof type in added in quite a while. Lately I have been focusing most of my effort on cleaning things up and making sure all the options are working correctly for each roof type and configuration.

                            Soffit cuts with TJI (I-Joist) rafters gets a bit interesting but I've finally implemented it:

                            http://design.medeek.com/resources/images/truss_su196_800.jpg

                            Nathaniel P. Wilkerson PE
                            Medeek Engineering Inc
                            design.medeek.com

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                            • M Offline
                              medeek
                              last edited by 20 Feb 2017, 01:25

                              View model here:

                              Link Preview Image
                              3D Warehouse

                              3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                              favicon

                              (3dwarehouse.sketchup.com)

                              Nathaniel P. Wilkerson PE
                              Medeek Engineering Inc
                              design.medeek.com

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                              • M Offline
                                medeek
                                last edited by 20 Feb 2017, 06:36

                                Same house, just a lookout between the beams:

                                View model here:

                                Link Preview Image
                                3D Warehouse

                                3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                                favicon

                                (3dwarehouse.sketchup.com)

                                Nathaniel P. Wilkerson PE
                                Medeek Engineering Inc
                                design.medeek.com

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                                • M Offline
                                  medeek
                                  last edited by 20 Feb 2017, 19:55

                                  Trying out the Rayelectron Rendering plugin, I'm fairly impressed.

                                  https://cdn-enterprise.discourse.org/sketchup/uploads/default/optimized/3X/5/b/5b53385b51afc6a965a9a106ad959c19eb7f555f_1_690x425.jpg

                                  https://cdn-enterprise.discourse.org/sketchup/uploads/default/optimized/3X/c/8/c825384639ec908941de0b58d4e0a2d30fabb52d_1_690x425.jpg

                                  https://cdn-enterprise.discourse.org/sketchup/uploads/default/optimized/3X/1/d/1d953c927c2fc220e09683dc1293b5b43c348b94_1_690x425.jpg

                                  https://cdn-enterprise.discourse.org/sketchup/uploads/default/optimized/3X/5/0/50014fb9e46778bb529dd7fbd6a2547d1e4c5aff_1_690x425.jpg

                                  View model here:

                                  Link Preview Image
                                  3D Warehouse

                                  3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                                  favicon

                                  (3dwarehouse.sketchup.com)

                                  Nathaniel P. Wilkerson PE
                                  Medeek Engineering Inc
                                  design.medeek.com

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                                  • M Offline
                                    medeek
                                    last edited by 23 Feb 2017, 15:06

                                    Version 1.8.5b - 02.23.2017

                                    • Addressed minor bug with "Front Only" gable end scissor trusses.
                                    • Addressed minor bug with soffit cuts and TJI rafter roofs with dual glulam beams.

                                    Nathaniel P. Wilkerson PE
                                    Medeek Engineering Inc
                                    design.medeek.com

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                                    • M Offline
                                      medeek
                                      last edited by 24 Feb 2017, 05:47

                                      Working on 2 ply and 3 ply headers as well as LSL headers:

                                      http://design.medeek.com/resources/images/truss_su197_800.jpg

                                      Nathaniel P. Wilkerson PE
                                      Medeek Engineering Inc
                                      design.medeek.com

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                                      • pilouP Offline
                                        pilou
                                        last edited by 24 Feb 2017, 10:38

                                        Have you try this free real time one?
                                        SimLab Composer Light : Maxi 1920 * 1080
                                        (can load any format of 3D file) 😉

                                        https://s6.postimg.org/3uxmjbk0h/house4.jpg

                                        Frenchy Pilou
                                        Is beautiful that please without concept!
                                        My Little site :)

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                                        • M Offline
                                          medeek
                                          last edited by 26 Feb 2017, 05:27

                                          Version 1.8.6 - 02.25.2017

                                          • Added 2x sawn lumber and LSL headers for Gable Dormers.
                                          • Enabled interior wall sheathing (Gypsum Wall Board) for Gable Dormers.
                                          • Enabled ceiling sheathing (Gypsum Wall Board) and ceiling battens for common trusses.

                                          http://design.medeek.com/resources/images/truss_su198_800.jpg

                                          Nathaniel P. Wilkerson PE
                                          Medeek Engineering Inc
                                          design.medeek.com

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