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โ„น๏ธ GoFundMe | Our friend Gus Robatto needs some help in a challenging time Learn More

Real world Wip. Glass sculptures.

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  • A Offline
    andybot
    last edited by 30 Sept 2016, 14:19

    @box said:

    it's just a 90 kilo lump we have to put somewhere out of the way.

    yikes, so how much will the full project weigh?!

    http://charlottesvillearchitecturalrendering.com/

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    • B Offline
      Box
      last edited by 30 Sept 2016, 15:00

      I think I mentioned that in my original post. ~3000kg each. We are adjusting the calculations all the time as we refine things. The special air bed transporter is limited to 7 metric tons. So we need the two blocks and their support structures to come in at less than that. It's going to be close.

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      • T Offline
        tuna1957
        last edited by 4 Oct 2016, 16:51

        insane just freaking insane ! ๐Ÿ˜ฎ ๐Ÿ‘ ๐Ÿ‘ ๐Ÿ‘

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        • B Offline
          brooklynia373
          last edited by 4 Oct 2016, 22:05

          BRAVO!

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          • B Offline
            Box
            last edited by 10 Oct 2016, 13:36

            The job has been tied up in rather uninteresting testing and jig construction lately so no interesting photo ops. But I figured this little vid might be of interest and give a bit of an idea of how dynamic the sculptures will be.

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            • C Offline
              cotty
              last edited by 10 Oct 2016, 16:15

              I'm surprised how good you can see through the whole glass block...

              my SketchUp gallery

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              • P Offline
                pbacot
                last edited by 10 Oct 2016, 16:20

                Looks incredible! Is the green color a choice or is that always the result with a huge block of glass.

                MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                • B Offline
                  Box
                  last edited by 11 Oct 2016, 02:24

                  @cotty said:

                  I'm surprised how good you can see through the whole glass block...

                  Yes it is remarkable, when correctly laminated the optical quality is almost perfect.

                  @pbacot said:

                  Looks incredible! Is the green color a choice or is that always the result with a huge block of glass.

                  All clear glass has a colour, usually this greenish tint, sometimes it is a little bluer, but it's not normally noticeable when looked through. If you look at the edge of a piece of glass you will see the colour better.
                  You can get several varieties of "white" glass, Saphire, Starfire, Low iron etc. They are expensive and not what we wanted in this case. We had to make sure we were able to get all the glass we needed from one batch so the colour was uniform. I made a sculpture many years back that ended up with a blue stripe through it.

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                  • B Offline
                    Box
                    last edited by 17 Oct 2016, 11:09

                    A bit of an update, this is what about 1/3 of a block looks like. This is just a dry stack of glass so it is too dense to see deeper than a few layers.


                    20161017_162817-768x1365.jpg

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                    • D Offline
                      dale
                      last edited by 17 Oct 2016, 15:08

                      Have done lots of glasswork, but this is definitely a masterwork!
                      Couple of questions...
                      How are you actually attaining the contours?
                      I know you mentioned acid shading, are you using hydroflouric acid?
                      Are you laminating with a UV glue, or a film laminate?
                      Sending links to all my glass buddies, thanks for sharing, this is a fantastic project.

                      Just monkeying around....like Monsanto

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                      • B Offline
                        Box
                        last edited by 19 Oct 2016, 13:18

                        Those are some very knowledgeable questions Dale.
                        Do you mean, how am I getting the data for the contours or how am I putting the contours on the glass?
                        I have 3d scanned two posed models to get very detailed meshes which I have sliced vertically at .5mm . Then I laser engrave those contours onto the appropriate layers.
                        We abandoned the acid shading, it confused the image. But no, it wasn't Hydrofluric. That stuff is just too complex to work with on such a large scale. I've used it a great deal over the years, seen the results of a tiny splash, a leaky respirator etc and didn't want to get involved with buckets of it for this job. We used the simpler version, Armour Etch, still dangerous, but thankfully not needed now.
                        The laminating process is quite involved and isn't just one or the other. We have had to develop a unique combination of techniques and glues specifically for this job. UV would be no good as the Sculptures will be outside in a fairly harsh environment. The expansion and contraction of such a large block would tend to tear the layers part, the glue wouldn't fail but the glass would.
                        So I've had to use a system that allows the whole block to flex, breath and enjoy the snow and sun on its face. It has been something of a challenge.

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                        • D Offline
                          db11
                          last edited by 19 Oct 2016, 13:53

                          Really spectacular work. Love the test block with the head, such a cool effect.

                          Looking forward to seeing the final result.

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                          • D Offline
                            dale
                            last edited by 19 Oct 2016, 14:01

                            Well I don't think there is anything more fascinating than projects that require you to push boundaries and invent new processes. This one must really be satisfying.
                            I worked with Hydroflouric for many years, and remember being told by an old glass master whom I very much admired that all of his contemporaries that had worked the acid baths in Germany where he had trained had passed in one way or another from their work with it.
                            And yes,glass is interesting in its relationship to other materials and its environment in terms of Coefficient of lineal expansion. I can see how a block of glass the size you are working with would be a head scratcher.
                            Please keep us updated as you go forward.

                            Just monkeying around....like Monsanto

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                            • Rich O BrienR Online
                              Rich O Brien Moderator
                              last edited by 19 Oct 2016, 14:43

                              crazy result!

                              where is it going to be viewable?

                              Download the free D'oh Book for SketchUp

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                              • T Offline
                                tuna1957
                                last edited by 20 Oct 2016, 23:56

                                the head in the block video is frightening me ๐Ÿ˜ฒ !!!! ๐Ÿ‘

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                                • pmolsonP Offline
                                  pmolson
                                  last edited by 22 Oct 2016, 13:35

                                  As I was going through this thread, I realized my heart rate and respiration were actually increasing.

                                  This is exciting!

                                  paul

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                                  • B Offline
                                    Box
                                    last edited by 22 Oct 2016, 14:42

                                    @dale said:

                                    Please keep us updated as you go forward.

                                    Will do Dale.

                                    @rich o brien said:

                                    where is it going to be viewable?

                                    Practically around the corner from you Rich, they are for a new hospital being built in Bendigo http://en.wikipedia.org/wiki/Bendigo

                                    @tuna1957 said:

                                    the head in the block video is frightening me ๐Ÿ˜ฒ !!!! ๐Ÿ‘

                                    There have been many different reactions to that video, but the real thing is somewhat different as your eyes don't quite see the same things a camera does.

                                    @pmolson said:

                                    As I was going through this thread, I realized my heart rate and respiration were actually increasing.

                                    Mine do that every day, I dream about these monsters and their problems every night and won't sleep through comfortably until they are safely installed.

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                                    • B Offline
                                      Box
                                      last edited by 3 Nov 2016, 10:06

                                      A bit of a milestone today, finished all the cutting, polishing and etching.
                                      So we have 172 sheets of decorated glass that just need to be stuck together, no problem.
                                      So this is what 6 metric tons of glass look like, and the space we have to work with it.


                                      6Tonnes.JPG

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                                      • Bryan KB Offline
                                        Bryan K
                                        last edited by 19 Nov 2016, 09:14

                                        Excellent photos and nice looking workshop. Thank you for the pictures. ๐Ÿ‘

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

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                                        • M Offline
                                          Mike Amos
                                          last edited by 24 Nov 2016, 20:54

                                          Seriously impressive, I bet it took a lot of dedication.

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