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⚠️ Libfredo 15.4b | Minor release with bugfixes and improvements Update

Medeek Wall Plugin

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  • M Offline
    medeek
    last edited by 3 Apr 2020, 14:43

    Tutorial 10 - Posts (14:24 min.)

    Round or Greek/Roman columns would also be a nice addition to this module but I'm not entirely sure on the construction or geometry of them. They typically have a gradual taper and then the top (capital) always has some interesting geometry (Doric, Ionic, Corinthian):

    https://mcgrawimages.buildingmedia.com/CE/CE_images/2014/dec_Crown-Columns-5.jpg

    https://st.hzcdn.com/simgs/d34177fe0df2a9e2_4-9388/home-design.jpg

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

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    • P Offline
      pbacot
      last edited by 3 Apr 2020, 17:17

      Yeah, the classical orders are pretty involved. But people now buy columns and install them with little regard to the details or proportions. Some will be happy with what you can come up with in a parametric plugin, but others will probably just find or model their own version. You'll find Corinthian and composite columns most challenging with the floral details and required poly count. Good for you, if you going to tackle this as well!

      MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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      • M Offline
        medeek
        last edited by 3 Apr 2020, 21:12

        I'm always up for a bit of a challenge so after digging around on the internet for awhile and reading some documents provided by some of my mentors here is what I have for classical columns:

        1.) The diminution ratio seems to be 5/6 for most columns that are 15ft of less. I will label this ratio as "m".

        2.) There is a height to diameter ratio however I think I should leave it up to the user to specify whatever diameter they chose for any particular height however I could suggest the classical (recommended) diameter for a given height.

        3.) If we let the base diameter be "d" then the entasis radial difference "E" is given by:
        E = d(1-m)/2.

        4.) Let h = height of the shaft. The entasis (or diminution) begins at a height of 1/3h. The entasis is not a linear reduction in diameter but rather follows a curved profile with the radius of curvature tangent to the lower cylindrical portion of the shaft.

        5.) The radius of the entasis curvature is given by r[sub:3w5bl8ej]e[/sub:3w5bl8ej] = 2h[sup:3w5bl8ej]2[/sup:3w5bl8ej]/9E + E/2.

        6.) The angle of the sweep of the arc is given by theta = asin(2h/3r[sub:3w5bl8ej]e[/sub:3w5bl8ej])

        The above derivation and observations should then give me enough information to be able to properly draw the shaft of any classical column. The base and capital however are a whole nother story.

        truss_su663_800.jpg

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

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        • M Offline
          medeek
          last edited by 3 Apr 2020, 21:32

          For the base and capital of a classical column I think it would be easiest just to pre-model some standard configurations and then have the plugin insert the components rather than try to draw them from scratch. Since both of these elements are merely a function of the column diameter the plugin can easily scale them to the correct size upon insertion... problem solved.

          Now I just need some decent (but low poly) ionic and corinthian capitals, if such a thing is possible.

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

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          • P Offline
            pbacot
            last edited by 3 Apr 2020, 23:08

            Sometimes people leave the base off so you might consider that, especially for Tuscan column.

            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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            • M Offline
              medeek
              last edited by 4 Apr 2020, 10:10

              I will provide an additional option called the “classical option”.

              This will allow for classical (round) columns, the parameters will initially be:

              Classical Order: Tuscan, Doric, Ionic, Corinthian, Composite
              Diameter: (12" default)
              Capital: Yes/No
              Base: Yes/No
              Material:

              At some point I should also provide the option for a fluted column and additional parameters for a pedestal. Yes, this is a bit of a rabbit hole, but really not as deep as initially thought it might be. I’ll start simple first and then incrementally add more features as requested.

              I’m making the assumption that all of these classical columns are non-structural (ie. FRP) so the standard wood or steel posts will still be drawn/installed inside of the classical column.

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

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              • M Offline
                medeek
                last edited by 4 Apr 2020, 13:41

                First look at a classical column with the updated menu items:

                https://aws1.discourse-cdn.com/sketchup/original/3X/4/0/4086af96ceabbcd735c2bffeb6f6433bae749e84.jpeg

                The diminution/entasis is the correct 5/6 ratio and it follows an arc/curve tangent to the lower cylindrical section of the column. I've created the arc with eight segments which seems to be more than adequate (could probably get away with six). I have my own smoothing routine so the tangent edge at the 1/3 point on the column is not shown.

                Now I just need to come up with some proper bases and capitals for the different orders and we will have some classical columns available.

                I could hollow out the interior but I don't see a big need for that since each manufacturer is going to have their own wall thickness, and it just adds to the overall polycount. Comments or thoughts?

                I suppose I could make the diminution ratio also user driven but for now I'll just hardcode in the 5/6 ratio since this seems to be the most common.

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

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                • M Offline
                  medeek
                  last edited by 5 Apr 2020, 15:14

                  First look at a Doric Column with both the capital and base enabled:

                  https://aws1.discourse-cdn.com/sketchup/original/3X/4/7/47eb77808acabda4abd80a85572c04ea977f5d36.jpeg

                  To my knowledge this is the only SketchUp plugin that allows one to parametrically create classical columns, I'm pretty excited about this.

                  The components utilized for the capital and base are within the components sub-folder of the plugin and can easily be replaced with a users own file if so desired.

                  For my geometry I've been studying the references and drawings found on this site:

                  Link Preview Image
                  THE CLASSICAL ORDERS OF ARCHITECTURE

                  favicon

                  (theclassicalorders.com)

                  This website has very detailed explanations and drawings of the various orders, which I have found to be extremely helpful.

                  The Ionic, Corinthian and Composite capitals are very intricate and complex 3D geometries. I'm not even going to attempt to draw those myself, even though I can program plugins my modeling skills are just not up to par. I think I can rely on the 3D warehouse and some of you power users to point me in the right direction as to what would be the most accurate and low poly model that I can incorporate into the plugin for each of these orders.

                  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 5 Apr 2020, 19:00

                    That IS exciting! Entasis and all.

                    MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                    • M Offline
                      medeek
                      last edited by 5 Apr 2020, 22:04

                      Version 1.3.3 - 04.05.2020

                      • Added a classical column option to the post module: Tuscan, Doric

                      http://design.medeek.com/resources/trussplugin/images/truss_su666_800.jpg

                      Once I have capital/base geometry for the three other column types (ionic, corinthian, composite) I will add them to the module as well.

                      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 6 Apr 2020, 19:13

                        The rest of the bases were fairly easy to generate (based on the previous website information given):

                        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)

                        I'm only missing the capitals for the ionic, corinthian and composite columns.

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

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                        • M Offline
                          medeek
                          last edited by 6 Apr 2020, 22:19

                          The corinthian capital is a little bit heavy for my liking but I guess that is the price you pay for that degree of intricacy.

                          https://aws1.discourse-cdn.com/sketchup/original/3X/5/3/538c64727af33295390cb2180f86b2ef39285b2a.jpeg

                          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)

                          I probably need to modify that capital component a bit further and see if I can shrink down the polygon count.

                          I also need to provide two additional variants of the Tuscan and Doric capitals which include the astragal directly below the capital.

                          My model for the corinthian capital is based off of the model drawn by Karlfucious (found in the 3D warehouse). However, I modified the model extensively as well as redrew the lower fillets and torus to bring it in line with the correct aspect ratio for this type of capital.

                          Reference 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 7 Apr 2020, 16:51

                            I've managed to squeeze a bit more polygons out of the corinthian capital however it is still quite large. I've also generated my own ionic capital. It is fairly basic but it will do for now:

                            https://aws1.discourse-cdn.com/sketchup/original/3X/f/d/fdf826d237f54c78fc860f454401355711cb3e20.jpeg

                            The key elements of the ionic capital are dimensionally correct and that is what is most important to me.

                            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 7 Apr 2020, 20:54

                              Version 1.3.3b - 04.07.2020

                              • Added the following classical column types: Tuscan /w Astragal, Doric /w Astragal, Ionic, Corinthian

                              http://design.medeek.com/resources/trussplugin/images/truss_su669_800.jpg

                              Spent only a couple days on the classical columns but it was time well spent. I now have a much better understanding of the various orders and some of the intricacies and theory on how they all go together. That is why I love this job, I learn something new everyday.

                              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 8 Apr 2020, 15:05

                                Version 1.3.3c - 04.08.2020

                                • Corrected the abacus of the Tuscan and Doric capitals

                                https://design.medeek.com/resources/trussplugin/images/truss_su670_800.jpg

                                Updated 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)

                                Not sure how I initially got this wrong but suffice it to say it is now right.

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

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                                • M Offline
                                  medeek
                                  last edited by 9 Apr 2020, 01:45

                                  Version 1.3.3d - 04.09.2020

                                  • Added a fluting option for the following column types: Doric, Ionic, Corinthian

                                  http://design.medeek.com/resources/trussplugin/images/truss_su671_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)

                                  The fluting is represented using a texture/material. The effect is not 100% when viewing the columns up close but I think the effect is adequate for most situations. Note that the Doric column has 20 flutes whereas the ionic and corinthian have 24 flutes.

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

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                                  • P Offline
                                    pbacot
                                    last edited by 9 Apr 2020, 08:25

                                    They look great!

                                    MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                    • M Offline
                                      medeek
                                      last edited by 9 Apr 2020, 13:31

                                      The new post module is really a plugin within a plugin when you think about it. The assemblies it creates (similar to the beam module and stair module) are standalone assemblies within the wall plugin.

                                      One could argue that I should split all of these modules out into separate plugins (ie. windows/doors, beams, posts, stairs, trimming tools). I do think the trimming tools (currently found in the Truss plugin) should be split out into a stand alone plugin since it can find application with any SketchUp geometry and not just Medeek related groups/assemblies.

                                      On the flip side one could argue that with so much functionality included within the wall plugin it is good value for the money.

                                      All in all, I'm very excited to not only get the post module completed (its been on the todo list for quite some time) but also to quite unexpectedly enable a classical column feature.

                                      Now that I've got the post module monkey off of my back I'm giving some more serious thought to extending the window and door modules to include non-Medeek walls or Generic Walls as I like to call them. I've already had some experience (and code) doing this sort of thing with the electrical plugin so it isn't impossible, however there may be a few hurdles or technical challenges I haven't foreseen yet.

                                      I don't know, I'm still rolling it around in my head this morning. If it feels right I may take the plunge.

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

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                                      • M Offline
                                        medeek
                                        last edited by 14 Apr 2020, 11:46

                                        Version 1.3.4 - 04.14.2020

                                        • Added transoms for all rectangular door types.
                                        • Enabled all grille options for door transoms.

                                        http://design.medeek.com/resources/trussplugin/images/truss_su675_800.jpg

                                        I may need to finesse the various grilles to better suite the transom window (dependent on its aspect ratio) but for now it is generally working as it should.

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

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                                        • M Offline
                                          medeek
                                          last edited by 14 Apr 2020, 17:59

                                          Adding a transom for an arched doorway (with or without sidelites) is an interesting permutation on the problem. In that case the transom would be arched however the door (and sidelites) would be rectangular as usual:

                                          https://www.picclickimg.com/d/l400/pict/254185487727_/3068-Colonial-Style-Mahogany-6-Panel-Entry-Door.jpg

                                          There are some variations to this though:

                                          https://i.pinimg.com/originals/99/1b/bb/991bbbf87a59f95bffd3f78c46c80515.jpg

                                          https://i.pinimg.com/originals/56/21/a5/5621a5368e18fe24efd86e9aa9ba39e7.jpg

                                          It gives me a headache just trying to figure out how to commit all of these possibilities into code. At some point if a door assembly becomes to "custom" I probably just need to leave it to the user to insert their own assembly/component.

                                          I also need to enable arched doorways for doors with sidelites but no transom, the work never ends:

                                          https://lcdn.doornmore.com/pub/media/catalog/product/cache/4c49b7d5a8bb55cec7c3e2e44ce07be3/t/r/trinity-solid-panel-e-18-irsl_4.jpg

                                          Without a doubt the rectangular doors are so much more linear and boring.

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

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