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Suggestions for challenge

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  • H Offline
    Hieru
    last edited by 30 Mar 2012, 23:34

    The great thing about challenges is that they push you to try things you wouldn't if you play it safe and pick a subject yourself.

    www.davidhier.co.uk

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    • M Offline
      mitcorb
      last edited by 31 Mar 2012, 01:51

      This is an image of images of a model and its subject. Sort of a fibonacciated nautilistic serially arrayed and scaled common clerical device done the hard way before component stringer, or grow were even available.


      binderclipmontage - Copy.JPG

      I take the slow, deliberate approach in my aimless wandering.

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      • B Offline
        brookefox
        last edited by 31 Mar 2012, 04:26

        Shoot, man, you do go.

        ~ Brooke

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        • B Offline
          brookefox
          last edited by 31 Mar 2012, 04:32

          I'm sorry. That would be the paperclip nautilus.

          ~ Brooke

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          • J Offline
            jeff hammond
            last edited by 31 Mar 2012, 06:01

            an exploratory go at the basics.. not sure how deep into this challenge i should commit to.. i think it could get pretty intense 😄

            spiral.skp

            basically… curve maker & curviloft

            dotdotdot

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            • T Offline
              TIG Moderator
              last edited by 31 Mar 2012, 12:52

              Here's a Nautilus made with a component 'wedge' and Grow...


              Nautilus.PNG


              Nautilus.skp

              TIG

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              • T Offline
                TIG Moderator
                last edited by 31 Mar 2012, 16:00

                Here's a less detailed one...


                Nautilus2.PNG

                TIG

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                • M Offline
                  mitcorb
                  last edited by 31 Mar 2012, 16:04

                  Next step: curve the chamber partitions.

                  I take the slow, deliberate approach in my aimless wandering.

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                  • T Offline
                    TIG Moderator
                    last edited by 31 Mar 2012, 16:08

                    It can't be done using one distorted component, because as the instances scale they no longer line up with their smaller neighbor, getting progressively misaligned...
                    If you explode it you can tweak all of the vertices of the parts so the all align smoothly...
                    BUT there are hundreds to do...
                    A nautilus is not always a perfect Fibonacci spiral anyway... and as you say the cell dividers are curved in 3d too...
                    It could be coded - but I am NOT going to do it...

                    TIG

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                    • M Offline
                      mitcorb
                      last edited by 31 Mar 2012, 16:46

                      Can't hardly blame ya. You do enough around here already. And your two illustrations are no mean feats in themselves.

                      I take the slow, deliberate approach in my aimless wandering.

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                      • B Offline
                        brookefox
                        last edited by 31 Mar 2012, 17:48

                        I turn my back to get some rest, and you guys make my day.

                        I'll expect the fleshy parts on my desk by noon.

                        EDIT: Some noon, any noon, any noon anywhere.

                        ~ Brooke

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                        • B Offline
                          brookefox
                          last edited by 25 Apr 2012, 20:31

                          Jeff, could you or someone else who gets it, explain the use of curviloft for this model (your model, a few posts back). Your pic did not do it justice; very nice model, I think.


                          nautilus curviloft-1.JPG

                          ~ Brooke

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                          • J Offline
                            jeff hammond
                            last edited by 25 Apr 2012, 21:06

                            @brookefox said:

                            Oh, I think I see the smaller arc now. So, 2 arcs and the spiral path?

                            hey brooke…
                            i actually did 4 different surfaces (breaking each one down into input that curviloft can understand..)

                            individual surfaces still grouped.. prior to exploding & soften/smooth

                            click pic -> bigger

                            dotdotdot

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                            • B Offline
                              brookefox
                              last edited by 25 Apr 2012, 21:15

                              That's very helpful. Thank you much. Very nice.

                              Herewith: Jeff's off the half shell.

                              (Sometimes the file name is displayed, sometimes not: whycome?)
                              's off the half shell.JPG

                              ~ Brooke

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                              • B Offline
                                brookefox
                                last edited by 25 Apr 2012, 21:21

                                Oh, I think I see the smaller arc now. So, 2 arcs and the spiral path?

                                No... I mean yes, but no faces as I had thought but did not say.

                                And news to me, the beginning and ending arcs (profiles, 'contours' as Fredo calls them) need not touch the path; in this case they would break the curve so that is fortunate.

                                So, I did OK but for the wrong reversal. Please advise. (Looking closer I see there are other errors: lack of closure, intersections, etc..)


                                nautilus curviloft-2.JPG

                                ~ Brooke

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                                • B Offline
                                  brookefox
                                  last edited by 26 Apr 2012, 21:37

                                  I saw a twitch in this horse's left nostril. Besides, chambered nautilii really don't look like this. This one is with 'follow me and rotate': settings: rotate 0, scale 1.03; 24 segment face flat helix.

                                  follow me and rotate-settings-rotate 0 scale 1.03 24 segment face flat helix.JPG


                                  follow me and rotate-settings-rotate 0 scale 1.03 24 segment face flat helix.JPG

                                  ~ Brooke

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