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    Sketchy Physics Contest

    Scheduled Pinned Locked Moved SketchyPhysics
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    • A Offline
      architectboy
      last edited by

      The problem with your bridge is that it uses 18 static parts (see rule #3) which make it impossible to tear down the bridge (try it), those parts are the joints. Joints, by default, are static, but if you make them not static they just fall. So you must leave them static and group them with one of the objects that it is connected with. Just take a look at this revision of your bridge.


      Will03BridgeLegal.skp

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      • W Offline
        Will03
        last edited by

        oh cool, thanks for the hand! that makes a lot of sense now... I'll have to make a bigger and better bridge now...

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        • A Offline
          architectboy
          last edited by

          Go for it! and that goes for anyone else who wants to build a bridge for this contest.

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          • C Offline
            CPhillips
            last edited by

            Not quite the same thing. But this guy did a bridge! πŸ˜„

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            • S Offline
              SpaceCow
              last edited by

              Hey, was wondering if this was a legitimate bridge. There are hinge joints inside the triangular prism blocks... They are attached to a couple of things to simulate being attached to another piece(s). I could make the whole bottom a box, but that's not accurate.


              bridge.skp

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              • L Offline
                LilDood
                last edited by

                My entry, only hinges, witchcraft πŸ˜„


                Witchcraft

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                • J Offline
                  Julius
                  last edited by

                  so, basically, the first one is the best, but i think it infringes the rule about the large scale grouping, while the second one shouldn't. the second it's bad looking but it works.

                  anyway, i'm not an advanced user of scketchup, maybe i'll try a better bridge later.

                  someone can tell me why in the second one a grouped object takes off?


                  SketchyPhysicsBridge-by_Julius.skp


                  SketchyPhysicsBridge-by_Julius_2.skp

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                  • J Offline
                    Julius
                    last edited by

                    is there anybody out there?

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                    • A Offline
                      architectboy
                      last edited by

                      Nope, nobody was out there. But now that I'm back...
                      The reason that you're bridge section moves is that convex-hull is convex, like it's been shrink wrapped. The only way that I could get around that was to make each individual line of the inside curve a different object, then group them all.

                      By the way, you can forget about the rules if you want. Just make your bridge cool and breakable.

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                      • J Offline
                        Julius
                        last edited by

                        thank you! now we can make cool things with the new version of SP!

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                        • J Offline
                          jFerg
                          last edited by

                          I realize I missed out on the timing for this a little bit, but I just discovered Sketchy Physics (which is amazing) and I desided to add my bridge up here. I believe it is the first suspension bridge. It moves terrible slow because the number of joints and groups, but check it out.


                          Suspension Bridge.skp

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                          • V Offline
                            Verrou
                            last edited by

                            Ok, this is so noob. But how do you build the bridges with arches that have the sloped bricks? Because when I make them they pop upwards because of their shape. If that makes any sense and know what I'm doing wrong please tell me ;D

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                            • C Offline
                              Click Draw
                              last edited by

                              Good day Sketchy People,

                              Is the contest still on?

                              Jeff

                              Have I mentioned how much of a laugh I get out of some of the Signatures on here!

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