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Urban Luthier

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  1. or one can get them here at Lee Valley for very little money https://www.leevalley.com/en-ca/shop/hardware/fasteners/nails/115698-black-steel-diamond-head-forged-nails-from-clouterie-rivierre
  2. Really fine as always Dave!
  3. looking good! - I wish my first one looked as good as yours! You can speed up redrawing the thickness map by setting a a few dividers to the right length and scribing the lines from the central point you've marked on the back
  4. If it will help, here is a summary of Roger's arching and edge work process. If you follow Roger's method (As @Davide Sora notes) you'll either have to use higher purfling (over 2mm) or sink it below the surface (I don't like the latter option personally). I do it like Davide - I find it easier to finalize the arch with the fluting near its final state Arching_Purfling_Edgework.pdf
  5. Wow - very impressive Davide! Merry Christmas!
  6. I bought the plan from the NMM and I found it to be rather frustrating to make useful templates from so I gave up. I'm glade you mentioned the photos. The NMM has really done a nice job with their new site including updated high res photos of many instruments. Here is the Amati Piccolo.
  7. So sweet!
  8. Fantastic work Keiran, you've been busy! Nice varnish work.
  9. falls under this category form the original post. As someone who is bombarded AI stuff in my day job, MHO is that there is very little that AI can do to help makers make a better violin. However there are many use cases for violin connoisseurship. Dendro is one, Image and pattern recognition for instrument identification is another. Challenge here (as noted above) is that much of the data is in private hands and I believe the associated meta data is neither consistency captured, or accurate enough to create an AI model to work from. Measurements and images captured from CT scans would be a great place to start but I doubt there is enough to work with and we still have the same issue of the data sitting in private hands. Lots of good stuff out there like Nvidia's ai workbench. Challenge is one needs to create the model first that means two things 1) good data 2) a lot of compute horsepower
  10. In my day job, I work with workstation hardware that houses the big GPUs to drive AI projects... One example I can think of that would be practical to execute and useful, is to build an AI model with all the dendrochronology data has been captured by experts. If there are any experts on the board who are using ML for dendro-based ID (or even thinking about doing it), please let me know. I may be in a position to help direct you to resources that could help.
  11. Beautiful E! Love the colour and texture. Holtier varnish?
  12. indeed, I have a problem.
  13. Something that vaguely looks like an Amati viola.
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