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    Simple Artisan examples collection

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    • olisheaO Offline
      olishea
      last edited by

      haha yeah, i was confused for a minute! I couldn't understand how n-gons can make anything better.

      It doesn't matter how "odd" the quad looks. If it's a quad it's a quad and will perform well. Sometimes you can't avoid triangles. It's too many poles that frustrate me. πŸ˜†

      oli

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      • HieruH Offline
        Hieru
        last edited by

        @olishea said:

        It doesn't matter how "odd" the quad looks. If it's a quad it's a quad and will perform well.

        Lesson learned πŸ˜‰

        I'll certainly never model proxy circular planes any other way from now on. If this shape is typical, there should be a lot to be learnt from the rest of the examples.

        www.davidhier.co.uk

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        • HieruH Offline
          Hieru
          last edited by

          Had some time to tackle one of the shapes from the topology reference guide. I've changed some of the modelling to make it easier/faster to achieve in Sketchup.

          It was certainly a worthwhile exercise as I learnt that n-gons in your proxy can be used to create better topology (see the areas highlighted in red).

          bolthead.jpg

          Edit: The red areas are quads rather than n-gons. They are however still very important when it comes to creating better topology.


          BoltHeadPrimitive.skp

          www.davidhier.co.uk

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          • HieruH Offline
            Hieru
            last edited by

            Another example. This time a cylinder with holes.

            CylinderWithHoles.jpg


            CylinderWithHoles.skp

            www.davidhier.co.uk

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            • olisheaO Offline
              olishea
              last edited by

              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 Offline
                olishea
                last edited by

                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 Offline
                  Hieru
                  last edited by

                  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 Offline
                    Hieru
                    last edited by

                    Insets on a curved surface.

                    CurvedInsets.jpg


                    CurvedInsets.skp

                    www.davidhier.co.uk

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                    • HieruH Offline
                      Hieru
                      last edited by

                      @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 πŸ‘

                      www.davidhier.co.uk

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                      • HieruH Offline
                        Hieru
                        last edited by

                        @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 Offline
                          Hieru
                          last edited by

                          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 Offline
                            Hieru
                            last edited by

                            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 Offline
                              Rich O Brien Moderator
                              last edited by

                              Too many poles. 3 and 5 sided converging quads.

                              Download the free D'oh Book for SketchUp πŸ“–

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                              • HieruH Offline
                                Hieru
                                last edited by

                                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 Offline
                                  Hieru
                                  last edited by

                                  @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 Offline
                                    olishea
                                    last edited by

                                    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! πŸ‘

                                    Your pipe is better than the example. The area you circled is an N-gon. πŸ˜‰ 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. πŸ˜„

                                    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 Offline
                                      Hieru
                                      last edited by

                                      @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! πŸ‘

                                      Thanks πŸ‘

                                      @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 Offline
                                        baz
                                        last edited by

                                        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 πŸ˜‰

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                                        • Rich O BrienR Offline
                                          Rich O Brien Moderator
                                          last edited by

                                          @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 πŸ“–

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                                          • olisheaO Offline
                                            olishea
                                            last edited by

                                            @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? πŸ˜‰

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

                                            oli

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