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  1. In 2006, we were contacted by the artist Raqib Shaw and asked if we could set some gemstones in a lobster. It was a 3 dimensional version of a part of one of his paintings, featuring a man with a bird's head being sexually assaulted by a giant lobster. The initial version of the lobster was produced in CAD, unfortunately it was so bad that Raqib described it as "a fucking ciabatta" and almost cancelled the project. A new version was cast from an actual lobster and finally we were able to start work on our part of the project.

    To begin with Russell painted the lobster to look like it was alive, and then Danila and Russell began encrusting it with gemstones. Initially given a month to complete the work, we were left with 8 days before it had to go on exhibition at the Tate Britain. We commandeered half of Raqib's assistants and in 8 insane days inserted 20,000 colour and size graded rubies, sapphires, emeralds and diamonds. We also had to install the sculpture in the Tate Britain, something we hadn't bargained on, but the project manager disappeared shortly after delivering it to the Museum, leaving us to complete the task.

    A genuinely unique experience. Here are some pictures from the private view on the opening night.

    Click on the images to enlarge.

  2.  

     

    ceramic rods  ceramic pencils  ceramic sticks  cleaning a memento mori ring

    Ceramic Abrasives

    Russell Lownsbrough FIPG

     

    As a waxcarver who loves to carve intricate pieces of jewellery, I have always found it a chore to clean up tiny, difficult to reach details on my castings. Tiny bits of emery stuck on toothpicks, fibreglass brushes, and endless other things, tried them all but nothing really made my life massively easier. Rubberised abrasives, as blocks or burrs helped, and rubberised abrasive radial discs or 'spider wheels' as some people like to call them were a significant improvement. However, in my opinion the ultimate tools for this very job are ceramic abrasives. I discovered them about 3 years ago at IJL and have been gradually converting others to the faith ever since. They are ceramic mixed with fibreglass, the abrasive is aluminium oxide.

     

    They are available in 3 forms, a cylindrical rod, a rectangular stick (various widths) or small square rods that fit into a mechanical pencil. The rods are the correct diameter for use in a pendant or micromotor. The pens come in 0.5mm and 0.9mm. The material is hard wearing and tougher than it looks. They can be shaped according to need with an oilstone, I wouldn't recommend anything else, certainly not a file. I use them without any lubricant, although I suppose you could, I've not noticed a significant difference.

     

    They come in the following grits in different colours for easy identification:-

     

    120 - violet                   1200 - red

    220 – brown/grey       1500 - yellow

    400 – orange                2000 - cream

    800 – blue                     3000 – pink

     

    Setter Niall Paisley FIPG has been using the red and blue for about a year. “I have the 0.9mm rods and find them useful on a rubover edge I would normally find hard to get a file on to because of another rubover near by. When you have settings joined together but at different heights they are great too. You do have to be careful though as they will mark stones. Diamond is the only one I'd say is truly safe.

    I found that after a while the clutch pencil that you get with them doesn't hold well and the rod slips back inside. So I got a couple of pin vices and put them in those. I can adjust the length as I want, however don't screw it up too tight as you might shatter the rod. I have found they hold even a very small piece while the pencil can't, so you get less waste.”

     

    Personally I use brown, orange, blue and occasionally red for the rods, and red and blue for the pens. There's some availability at Cooksons and HS Walsh; the full range is available from SSP STEIDLE (Germany) and also Moleroda, who can be found online.

    I've found they a long time, although if I was doing a lot of production work I'd probably get through them faster, but the time saved would pay for itself.

     

    Give them a go, you can thank me later.