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PostPosted: Wed Nov 20, 2013 11:58 am 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Thu Feb 12, 2009 12:12 pm
Posts: 3308
First name: Bryan
Last Name: Bear
City: St. Louis
State: Mo
Country: USA
Focus: Build
Status: Amateur
I have drawn up a shape in gthang from Mr. Mottola's website: http://liutaiomottola.com/formulae/gthang.htm I want to generate some templates and would rather not deal with printing out tiled pdfs because I would like to keep some extra full sized copies around. It looks like I can only save as dxf. My sister-in-law said she can convert it to dwg and plot it for me. Frankly I am out of my element and want to see if anyone has done it this way and if there were any problems. I'll be emailing the file then waiting until the next time I see them to get the printouts, then I will have to verify the accuracy. I don't want to burden her with several back and fourths. . .

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PostPosted: Wed Nov 20, 2013 12:13 pm 
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Contributing Member
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Joined: Sun Jun 10, 2012 10:04 am
Posts: 773
First name: Peter
Last Name: Fenske
City: Leeds
State: Yorkshire
Country: Uk
Focus: Build
Status: Amateur
Should be fine. DXF to DWG is a fairly common conversion and plotting it in one go will be a lot more accurate than piecing them together. It'll certainly save time cutting and sticking!

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PostPosted: Wed Nov 20, 2013 12:21 pm 
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Koa
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Joined: Fri Feb 16, 2007 12:14 pm
Posts: 1066
First name: Heath
Last Name: Blair
City: Visalia
State: California
Country: USA
Focus: Build
Status: Amateur
I exported the file from G thang and then imported it into Rhino CAD. Printed from there. You can get a free version of Rhino online.

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PostPosted: Wed Nov 20, 2013 2:16 pm 
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Cocobolo
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Joined: Tue Jun 30, 2009 3:20 pm
Posts: 456
Focus: Build
yep, pretty easy. i don't actually print them though, but import them into MC and generate a toolpath to cut a wood template.

g thang is awesome. Mr Mottola deserves many thanks.


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PostPosted: Wed Nov 20, 2013 5:29 pm 
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Koa
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Joined: Mon Sep 05, 2011 10:45 pm
Posts: 1484
First name: Trevor
Last Name: Gore
City: Sydney
Country: Australia
Focus: Build
Status: Professional
Have you tried Jon Sevy's little app which works using B-splines rather than blended circles?

http://edge.cs.drexel.edu/GICL/people/sevy/luthierie/software/software.html

(You want the Guitar Design Java Application)

In version 1.1, you can print full size to a .pdf file and then take that to a print shop and get a full size print (or 6). I usually just tape up six A4 sheets, but you have the option. Saves having to run through multiple applications. The .pdf trick might be possible in G-thang, too, but it's a while since I used it. (G-thang, that is).

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Trevor Gore, Luthier. Australian hand made acoustic guitars, classical guitars; custom guitar design and build; guitar design instruction.

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These users thanked the author Trevor Gore for the post: Nick Royle (Fri Jan 31, 2014 11:34 am)
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PostPosted: Wed Nov 20, 2013 5:37 pm 
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Brazilian Rosewood
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Joined: Thu Feb 12, 2009 12:12 pm
Posts: 3308
First name: Bryan
Last Name: Bear
City: St. Louis
State: Mo
Country: USA
Focus: Build
Status: Amateur
Thanks all!

Trevor, I have not heard of Jon Sevy's app. I have a design I like in gthang but I think I'll spend some time with Jon's program over the holiday to see if I end up with something I like better. Thanks!

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Take care of your feet, and your feet will take care of you.


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