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    Simple Artisan examples collection

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    • olisheaO 離線
      olishea
      最後由 編輯

      Very nice work.

      Just a quick note: Try using circles with 6 edges instead of 8. When you intersect a 6 sided circle in half with a line you get two halves of quads, if that makes sense. It doesn't really matter for this model, it's just something I should point out. You would end up with less poly too. The starting circle really determines how successful the subdivision is going to be; if you've tried using a strange amount of edges it becomes difficult to keep quads and the model becomes frustrating.


      Screen Shot 2014-06-15 at 15.44.25.png

      oli

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      • olisheaO 離線
        olishea
        最後由 編輯

        Can you do something about the marked areas? Looks a bit strange to me having those stray edges, even though it does form a quad. The large triangles could possibly be avoided too, don't have time to look though.


        CylinderWithHoles1.jpg

        oli

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        • HieruH 離線
          Hieru
          最後由 編輯

          I was simply copying one of the provided examples, but I'll see if there is a better way of doing it.

          www.davidhier.co.uk

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          • HieruH 離線
            Hieru
            最後由 編輯

            Insets on a curved surface.

            CurvedInsets.jpg


            CurvedInsets.skp

            www.davidhier.co.uk

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            • HieruH 離線
              Hieru
              最後由 編輯

              @olishea said:

              Try using circles with 6 edges instead of 8. When you intersect a 6 sided circle in half with a line you get two halves of quads, if that makes sense.

              Good point....that's a great tip 👍

              www.davidhier.co.uk

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              • HieruH 離線
                Hieru
                最後由 編輯

                @olishea said:

                Can you do something about the marked areas?

                Is this any better? It generates much neater topology but the poly count goes up.

                CylinderWithHoles-V2.jpg


                CylinderWithHoles-V2.skp

                www.davidhier.co.uk

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                • HieruH 離線
                  Hieru
                  最後由 編輯

                  Or how about this? Here I've rebuilt the form using 6-sided openings...much more economical!
                  CylinderWithHoles-V3.jpg


                  CylinderWithHoles-V3.skp

                  www.davidhier.co.uk

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                  • HieruH 離線
                    Hieru
                    最後由 編輯

                    Two versions of a simple cylinder with a bevelled edge. The second version (bottom) is for situations where you can't get away with a 6-sided shape.
                    cylinder.jpg


                    Cylinder.skp

                    www.davidhier.co.uk

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                    • Rich O BrienR 離線
                      Rich O Brien Moderator
                      最後由 編輯

                      Too many poles. 3 and 5 sided converging quads.

                      Download the free D'oh Book for SketchUp 📖

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                      • HieruH 離線
                        Hieru
                        最後由 編輯

                        Last one for today: joining two pipes of the same diameter.
                        joiningpipe.jpg
                        This one is significantly different to the reference as I couldn't figure out how to join the pipes without distorting the bottom pipe and making it non-cylindrical (see circled area).
                        pipe.jpg


                        JoiningPipe.skp

                        www.davidhier.co.uk

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                        • HieruH 離線
                          Hieru
                          最後由 編輯

                          @rich o brien said:

                          Too many poles. 3 and 5 sided converging quads.

                          Presumably that makes it difficult for UV mapping?

                          Edit: I was obviously over-thinking things again...
                          cylinder-2.jpg

                          www.davidhier.co.uk

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                          • olisheaO 離線
                            olishea
                            最後由 編輯

                            Yeah you nailed it with CylinderWithHoles-V3. Sometimes you think there is no other possible way of doing it....then you come back to the model and think Ohhhhhh! Great examples and thanks for posting here! 👍

                            Your pipe is better than the example. The area you circled is an N-gon. 😉 I guess the reason they did that was to reduce the "pinch" of the pole that you have in your model. They should have used another loop though. I love subdivision modelling; so many different outcomes from very subtle changes. 😄

                            Would be cool if we had a "circularize" plugin for sketchup, you could click on specific rectangles and convert them into squares. Or maybe create an offset square face within the rectangle. Would be nice to be able to specify how many edges so you could even offset a triangle, square, pentagon etc etc....

                            This would help creating circular holes in peculiar shapes. I use this tool in Wings 3D quite often, maybe I'll ask TIG about it....maybe call it Offset Circle where you can choose the amount of edges the offset circle has.

                            oli

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                            • HieruH 離線
                              Hieru
                              最後由 編輯

                              @olishea said:

                              Yeah you nailed it with CylinderWithHoles-V3. Sometimes you think there is no other possible way of doing it....then you come back to the model and think Ohhhhhh! Great examples and thanks for posting here! 👍

                              Thanks 👍

                              @olishea said:

                              Would be cool if we had a "circularize" plugin for sketchup, you could click on specific rectangles and convert them into squares. Or maybe create an offset square face within the rectangle. Would be nice to be able to specify how many edges so you could even offset a triangle, square, pentagon etc etc....

                              This would help creating circular holes in peculiar shapes. I use this tool in Wings 3D quite often, maybe I'll ask TIG about it....maybe call it Offset Circle where you can choose the amount of edges the offset circle has.

                              +1 Definitely sounds like something that would come in handy.

                              www.davidhier.co.uk

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                              • bazB 離線
                                baz
                                最後由 編輯

                                David and Oli, fascinating as this is, I think you might be going a bit off-topic, as in "Simple Artisan examples".
                                If this were to be hived off to a separate thread, you would find many lurkers and contributors I reckon, but I find it a bit complicated for my poor brain.

                                What about a new thread called... "Extremely bloody complicated Artisan examples with lots of esoteric technical terms"

                                Sorry 😉

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                                • Rich O BrienR 離線
                                  Rich O Brien Moderator
                                  最後由 編輯

                                  @hieru said:

                                  Presumably that makes it difficult for UV mapping?

                                  It can when you try to relax the UVs around poles because the quads are unable to form square shapes.

                                  Download the free D'oh Book for SketchUp 📖

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                                  • olisheaO 離線
                                    olishea
                                    最後由 編輯

                                    @baz said:

                                    David and Oli, fascinating as this is, I think you might be going a bit off-topic, as in "Simple Artisan examples".

                                    How can you get more simple than cylinders and pipes? 😉

                                    Unfortunately you have to use some jargon. I hate it too.

                                    oli

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                                    • cottyC 離線
                                      cotty
                                      最後由 編輯

                                      Should I delete "Simple" in the topic headline?

                                      my SketchUp gallery

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                                      • bazB 離線
                                        baz
                                        最後由 編輯

                                        @olishea said:

                                        @baz said:

                                        David and Oli, fascinating as this is, I think you might be going a bit off-topic, as in "Simple Artisan examples".

                                        How can you get more simple than cylinders and pipes? 😉

                                        Unfortunately you have to use some jargon. I hate it too.

                                        Point taken, perhaps a link or info on some jargon busting, Geometry for Artison 101?.
                                        For example 'N-gons'???

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                                        • Rich O BrienR 離線
                                          Rich O Brien Moderator
                                          最後由 編輯

                                          @baz

                                          polygon or tri-gon = triangle
                                          quad = 4 sided polygon
                                          n-gon = more than 4 sided polygon (replace n with the numbers of sides)

                                          Download the free D'oh Book for SketchUp 📖

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                                          • olisheaO 離線
                                            olishea
                                            最後由 編輯

                                            Into to subdivision modelling and associated jargon:

                                            Link Preview Image
                                            Subdivision Modelling

                                            Computer Science, Machine Learning, Programming, Art, Mathematics, Philosophy, and Short Fiction

                                            favicon

                                            (theorangeduck.com)

                                            oli

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