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Carving a pyramid bridge
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=31094
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Author:  oval soundhole [ Sun Feb 13, 2011 12:49 pm ]
Post subject:  Re: Carving a pyramid bridge

There is a really good tutorial on Hans Bentrup's website. http://www.brentrup.com/
look under the Visit shop section

Author:  DannyV [ Sun Feb 13, 2011 1:23 pm ]
Post subject:  Re: Carving a pyramid bridge

This http://www.hoffmanguitars.com/Making%20 ... Bridge.htm worked for me. I did the first two inside radius with a rasp and cleaned it up with a spindle sander. I built a sled like he shows and used the same method with a router table and pattern bit. It worked well but not an overly fast method. I guess if I wanted fast I could have stuck on the SM one I have kicking around but what fun would that be.

Good Luck!

Author:  Darrel Friesen [ Sun Feb 13, 2011 2:14 pm ]
Post subject:  Re: Carving a pyramid bridge

I just carved one using Frank Ford's methods. His was ivory, but the technique is the same. It's a 3 sided pyramid (not really, but the inside is curvier :lol: ) which differs from the machine carved ones available at Stew Macs.

http://frets.com/FRETSPages/Luthier/Tec ... ridge.html

Author:  Arnt Rian [ Sun Feb 13, 2011 4:27 pm ]
Post subject:  Re: Carving a pyramid bridge

I too make mine "Martin style", so the pyramid actually only had one flat side. Here's one in African blackwood

Image

Author:  Darrel Friesen [ Sun Feb 13, 2011 6:46 pm ]
Post subject:  Re: Carving a pyramid bridge

Looks good Filippo.

Author:  Bobc [ Sun Feb 13, 2011 10:18 pm ]
Post subject:  Re: Carving a pyramid bridge

Nice job Filippo.

Author:  DannyV [ Sun Feb 13, 2011 10:30 pm ]
Post subject:  Re: Carving a pyramid bridge

Nice. Clamping a piece to drill the face is a good trick.

Author:  Chris aka Sniggly [ Mon Feb 14, 2011 8:12 am ]
Post subject:  Re: Carving a pyramid bridge

Nice job Filippo! I'm gonna have to remember that.

Author:  JasonMoe [ Tue Feb 15, 2011 4:02 am ]
Post subject:  Re: Carving a pyramid bridge

Nice idea. Nothing like the smell of ebony dust in the morning. I like your curly maple bit cabinet in the backround too. I see alot of cool tool holders and tables, boxes, jigs, molds, and stuff out of the coolest woods from guitar makers. Cool shop. Jason

Author:  nickton [ Wed Feb 16, 2011 1:49 am ]
Post subject:  Re: Carving a pyramid bridge

I just winged it and came out with this design, using my handy rasp and chisels. It's a little beefier looking than the old ones.

Author:  SteveCourtright [ Wed Feb 16, 2011 2:06 pm ]
Post subject:  Re: Carving a pyramid bridge

Well done, Filippo. I tried various methods at the beginning of my building days, and failed pretty miserably. So, I know it's not easy to do.

Author:  John Killin [ Fri Feb 18, 2011 8:53 pm ]
Post subject:  Re: Carving a pyramid bridge

This was a timely thread. I was just about to make a pyramid bridge.

Originally I was going to jig up and try to do it with either the table saw or band saw. After reading Frank Fords instructions, I pretty much followed that. It was easier to do that it would have been to make the jigs. Although with all that filing I now have a pain in my back. laughing6-hehe

My new favorite tool is the chainsaw file.

Attachment:
Bridge Pyramid.jpg

Attachment:
Bridge Pyramid End.jpg


As it is in the pictures it weighs in at 22g. I just need to work out my slotting and bridge pin method.

John

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