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PostPosted: Fri Jul 14, 2006 8:02 am 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Fri Jun 10, 2005 9:51 am
Posts: 2148
Location: San Diego, CA
First name: Andy
Last Name: Zimmerman
City: San Diego
State: CA
Zip/Postal Code: 92103
Country: United States
Focus: Build
I have a top in which the soundhole is not perfectly round. I would like to
sand it round. I was looking for a cone inwhich you could add sandpaper to
the outside. Anyone know where I could get such a cone??? Or do you have
better suggestions for fixing my soundhole

Thanks

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 Post subject:
PostPosted: Fri Jul 14, 2006 8:03 am 
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Cocobolo
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Joined: Thu Jun 23, 2005 9:36 am
Posts: 381
Location: United States
First name: Wayne
Last Name: Clark
City: Driftwood
State: TX
Focus: Build
Status: Amateur
How about a funnel?

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 Post subject:
PostPosted: Fri Jul 14, 2006 8:38 am 
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Koa
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Joined: Sat Jun 24, 2006 12:41 pm
Posts: 975
Location: United States
First name: Tracy
Last Name: Leveque
City: Denver
State: CO
Country: USA
Focus: Build
Status: Amateur
That is what I use...a small funnel found in the automotive dept at walmart. I do the top and inside, then a very light sand in the middle by hand. Be careful, as this is not foolproof, and you can put too much pressure on one side. Good luck!
TracyLuthierSupplier38912.7356018519

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 Post subject:
PostPosted: Fri Jul 14, 2006 8:49 am 
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Old Growth Brazilian Rosewood
Old Growth Brazilian Rosewood
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Joined: Mon Dec 27, 2004 1:20 pm
Posts: 5915
Location: United States

I used to sand them by hand, which worked fine, but then I saw this "jig" on Charlie Hoffman's site where he uses a round over bit to profile the sound hole. I built one of these and I really like the results.

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Columbus, Ohio
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 Post subject:
PostPosted: Fri Jul 14, 2006 9:32 am 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Sat Jan 08, 2005 1:26 am
Posts: 2558
Location: United States
You might find a styrofoam cone at an arts and crafts store. I think people use them to make dolls.


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 Post subject:
PostPosted: Fri Jul 14, 2006 12:22 pm 
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Contributing Member
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Joined: Fri Sep 09, 2005 7:51 am
Posts: 3786
Location: Canada
piece of 3.5 inch drain pipe, wrap sandpaper around it - gets it pretty darn close.

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