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Shopmade Luthier Tools #29: Brass bridge templates and bevel gauge

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Blog entry by Dave Rutan posted 09-05-2017 06:17 PM 1299 reads 0 times favorited 4 comments Add to Favorites Watch
« Part 28: Violin and Cello Stick Clamps Part 29 of Shopmade Luthier Tools series no next part

To badly mis-paraphrase a character from Babylon 5, “Zathras wants to have something nice.”

A while ago I made a set of templates out of plastic for creating the arc that is on the top of violin and cello bridges. I was determined that eventually I would replace them with brass ones once I found a source for the brass. Well, eBay sells this 5-inch brass ruler that is an inch wide for less than $2 each…

So I decided to start with a template for a full size violin and cello. I’ll work down from there as I get material and will conquer the double bass bridge template last.

It’s simple enough to trace the template onto the brass, cut them apart with a hack saw and sand them to final shape and they look cool with the remains of the ruler on the back. I also filed notches onto the bottom to denote the size. In this case, 4 notches means 4/4 (or full size.) 3 notches will mean 3/4, and when I get down to the 7/8 size bridge, I’ll put 7 notches, 3 pairs with a single for easy ID-ing.

I also made a small, simple, bevel gauge because I’ve heard I’ll need one in the craft eventually for transferring the angle on sound posts. I made it out of some brass flats that I had in my ‘brass drawer.’

Plastic may be a space age material, but I like old school for some things.

-- Ni faru ion el ligno!



4 comments so far

View WayneC's profile

WayneC

13751 posts in 3908 days


#1 posted 09-05-2017 06:24 PM

Very nice. The bevel gauge looks useful in general.

-- We must guard our enthusiasm as we would our life - James Krenov

View Dave Rutan's profile

Dave Rutan

1662 posts in 1999 days


#2 posted 09-05-2017 06:41 PM



Very nice. The bevel gauge looks useful in general.

- WayneC

I was fortunate to have two thicknesses of the flat stock for the bevel gauge, 1/8 in. and 1/16 inch I think.

-- Ni faru ion el ligno!

View Dave Polaschek's profile

Dave Polaschek

1056 posts in 393 days


#3 posted 09-05-2017 07:21 PM

Looks like Zathras can make nice things for himself.

-- Dave - Minneapolis

View Dave Rutan's profile

Dave Rutan

1662 posts in 1999 days


#4 posted 09-05-2017 07:49 PM



Looks like Zathras can make nice things for himself.

- Dave Polaschek

I like the way they have the ruler on the back. Much better than ones stamped out in a factory somewhere. I’m not sure these are even available commercially.

-- Ni faru ion el ligno!

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