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Hook on a Pulley

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  • D Offline
    Dave R
    last edited by Dave R 11 Nov 2024, 17:22 11 Nov 2024, 17:13

    A hook on a pulley for some sort of crane or something. Based on dimensions given in an old, undated book from Spain of technical drawing exercises.

    Large Pulley no edges.png

    Etaoin Shrdlu

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    R 1 Reply Last reply 11 Nov 2024, 17:43 Reply Quote 7
    • R Online
      Rich O Brien Moderator @Dave R
      last edited by 11 Nov 2024, 17:43

      @Dave-R The hook geometry looks smooth. This is not subdivision....so what is it?

      Is it Curviloft - Loft along Path? Throw me a bone....

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

      D 1 Reply Last reply 11 Nov 2024, 17:51 Reply Quote 0
      • D Offline
        Dave R @Rich O Brien
        last edited by Dave R 11 Nov 2024, 17:51 11 Nov 2024, 17:51

        @Rich-O-Brien

        Thank you! You're right. Not subdivision. I drew multiple cross sections through the hook and a centerline and then indeed, I used Curviloft Loft Along Path.. Good eye. Truthfully I could probably have stood to add one more corss section in there but I'm not going to redo it now.

        Etaoin Shrdlu

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        • D Offline
          Dave R
          last edited by 12 Nov 2024, 17:34

          I wasn't thrilled with the wire rope so I redid that this morning. 6x7 wire rope now.
          Large Pulley7x1 wire.png

          Really should be done with a texture but it's not.

          Etaoin Shrdlu

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          R 1 Reply Last reply 12 Nov 2024, 19:53 Reply Quote 2
          • R Online
            Rich O Brien Moderator @Dave R
            last edited by 12 Nov 2024, 19:53

            @Dave-R You'd struggle to get the same reflections that real geometry would produce.

            But it's also kind of deflating to know you actually modelled the cable strands.

            What people may have missed is that this pulley is needed to pick Dave's wallet up its so heavy!

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

            D 1 Reply Last reply 12 Nov 2024, 21:23 Reply Quote 1
            • D Offline
              Dave R @Rich O Brien
              last edited by 12 Nov 2024, 21:23

              @Rich-O-Brien said in Hook on a Pulley:

              @Dave-R You'd struggle to get the same reflections that real geometry would produce.

              But it's also kind of deflating to know you actually modelled the cable strands.

              What people may have missed is that this pulley is needed to pick Dave's wallet up its so heavy!

              True. It would be difficult to get those reflections with a texture. But, with a strategically distant camera it might not be noticed.

              The cable strands were actually kind of mindless work once I figured out the needed radii. I used Helix along Curve to model the strands.

              I wish my wallet was that heavy. Actually it's so thin I don't even know it's in my pocket most of the time.

              Etaoin Shrdlu

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              • T Offline
                tuna1957
                last edited by 14 Nov 2024, 17:37

                Excellent job as always. I think it was a good decision to use curviloft rather than subD for the hook. πŸ‘

                D 1 Reply Last reply 14 Nov 2024, 19:18 Reply Quote 1
                • D Offline
                  Dave R @tuna1957
                  last edited by 14 Nov 2024, 19:18

                  @tuna1957

                  Thank you, sir!

                  Etaoin Shrdlu

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                  • D Offline
                    Dave R
                    last edited by Dave R 30 Nov 2024, 14:09

                    A model done while waiting on dinner to cook. A pulley on a hook. This is based on dimensions in another edition of the technical drawing books from Spain.

                    Pulley Garrucha.png

                    Etaoin Shrdlu

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                    • Bryan KB Offline
                      Bryan K
                      last edited by 6 Dec 2024, 20:13

                      Excellent as always!

                      See my portfolio at https://delphiscousin.blogspot.com/

                      D 1 Reply Last reply 6 Dec 2024, 20:19 Reply Quote 0
                      • D Offline
                        Dave R @Bryan K
                        last edited by 6 Dec 2024, 20:19

                        @Bryan-K thank you very much, sir.

                        Etaoin Shrdlu

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                        • N Offline
                          NeloNath
                          last edited by 12 Mar 2025, 15:19

                          I'd love to see a timelapse of tutorial of this!

                          D 1 Reply Last reply 12 Mar 2025, 18:34 Reply Quote 0
                          • D Offline
                            Dave R @NeloNath
                            last edited by Dave R 3 Dec 2025, 18:35 12 Mar 2025, 18:34

                            @NeloNath thanks.Time lapse videos really aren't my thing but I'll think about it. I don't think of time lapse videos as being very tutorial-like.

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                            • M Offline
                              Mike Amos
                              last edited by 13 Mar 2025, 01:11

                              Always amazed at these wonderful technical examples. Top notch, Sir.

                              1 Reply Last reply Reply Quote 0
                              • D Offline
                                Dave R
                                last edited by 4 Apr 2025, 14:15

                                Thank you.

                                Etaoin Shrdlu

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