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Thread: Nifty tool for Luthiers

  1. #1
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    Nifty tool for Luthiers

    I just came across this handy software called "G" Thang ... it's a program that lets you plug in all sorts of guitar building parameters and it helps come up with a shape. It also lays out fret positions and exports to a DXF so you can bring it into a CAD app and use it to make your shop drawings or jigs or send to a CAM app to do CNC toolpaths.

    I dunno how many are interested, but i found it nifty

    Check it out: http://liutaiomottola.com/formulae/gthang.htm

    Oh and also on that site - i have learned the magic number is 17.817
    Last edited by Jason Beam; 08-11-2013 at 05:46 PM.
    Jason Beam
    Sacramento, CA

  2. #2
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    I always thought the number was "42"

  3. #3
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    Thanks Jason...not only for luthiers, but us wannabees also! Lots of great info there as well

    I've been into the cigar box guitars lately and the only techie stuff I've dabbled with is the fret board layout & scale length, I've been using Fretfind2D with good results, plus I can save the results/printout as full size which eases transferring ...but this looks a lot more in-depth, again thanks!
    The perception of perfection is perfectly clear to everyone else

  4. #4
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    Very cool Jason. I'd love to make another guitar someday. Got about a million projects in from though.
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


  5. #5
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    Looks like a cool tool, but I'm at somewhat of a loss coming up with the initial numbers to plug into the form. (I'm not familiar with all the terms like "primary arc radius".) Can you list a set of starter numbers to plug into the form for us?
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  6. #6
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    Quote Originally Posted by Vaughn McMillan View Post
    Looks like a cool tool, but I'm at somewhat of a loss coming up with the initial numbers to plug into the form. (I'm not familiar with all the terms like "primary arc radius".) Can you list a set of starter numbers to plug into the form for us?
    I had exactly the same problem! Under the File menu, there's an Initialize - which has a few sample styles that get you started. That was as far as I got so far :P
    Jason Beam
    Sacramento, CA

  7. #7
    Join Date
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    Quote Originally Posted by Jason Beam View Post
    I had exactly the same problem! Under the File menu, there's an Initialize - which has a few sample styles that get you started. That was as far as I got so far :P
    Cool!
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

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