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Permalink Reply by Comrade Paul on January 12, 2015 at 9:35am

Absolutely, I do also. Makes for a real comfortable neck. Thanks!

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Permalink Reply by David McQueen on April 19, 2016 at 7:58am

To make the sanding blocks I used a two step process. First I took a piece of 1/4" x 2" wood and made myself a compass with a hole to put a pencil through at 9" 12" and 16".

Then I used this to make templates which I used mark the end of a 2x3" piece of wood with the radius at both ends. This is a curve out radius that I used as negative. I carved that out with a knife. Plane and sander and then used spray on glue to put rough sandpaper on it.

Then I used the negative to set up a shooting board and sand out the curve in a piece of soruce with it. This is then coverd in rough sandpaper fastened with spray on glue.

It is kind of a long tedious process, but I really do like a curved radius. Doing it again, I would only do a 16" Radius. I really like a four string with a 16" at the nut going to flat at the bridge.

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Permalink Reply by doggylv . on April 20, 2016 at 12:37am

Thank you David for this info, might give this a try!

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Permalink Reply by David McQueen on April 20, 2016 at 6:03am

I got some pics of the positive and negative... concave and convex ( ithink).  Use the positive to sand out the negative .   Use the negative on the fret boards.  the wood is just spruce 2"x3"

Attachments:

• image 145.jpeg, 180 KB
• photo 98.JPG, 190 KB

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Permalink Reply by Comrade Paul on April 20, 2016 at 11:35am

Or you can find some 16' pipe, attach sandpaper to it and sand out a block :)

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Permalink Reply by darryl kernaghan on April 20, 2016 at 2:24pm

I have a form for 18" radius,but i've also just used a plane to take a couple of shaves off each side of the board on a slight angle then just sand using the palm of my hand's natural curve,takes minutes and works ok,the trick is to apply little or no pressure on the centre line,sand with full length strokes,with a bit of care you can get a good result,i don't go any lower than 240 paper doing this,so nothing too drastic happens

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Permalink Reply by Taffy Evans on April 20, 2016 at 4:21pm

Hi Paul, well for me a flat board is best for slide work. When the fingerboard has a radius so does the bridge saddle so all the strings have the correct action, height above the frets. A flat slide on strings with a radius hmmmm.

Cheers Taff 

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Permalink Reply by Titch the Clown on April 20, 2016 at 6:48pm

This guy caused a stir when he came out with is fretboard radius router bits

http://sje-tools.com/12-fretboard-radius-router-bits

The pros love em

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Permalink Reply by doggylv . on April 21, 2016 at 1:14am

Now THIS is the kind of jig even I can make!!!!!

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