Yup, I've done it and it works well.
You cut a plug with your router rosette rig (make sure it's a tight fit), add a block under it to keep the pin perpendicular, and rout away...
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| Cutting a rosette after body is together http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=31027 |
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| Author: | Neil Gardiner [ Mon Feb 07, 2011 8:42 am ] |
| Post subject: | Cutting a rosette after body is together |
So I have one I'm working on and when I did the rosette there was a bit of chip out. I thought I had managed to fix it, but it reappeared in final sanding. So I'm wondering if anyone has ever tried to recut a rosette channel after the body is assembled? I'd probably be trying to do the inside and outside edges and then relay in new purfling. Thanks Neil |
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| Author: | Haans [ Mon Feb 07, 2011 9:54 am ] |
| Post subject: | Re: Cutting a rosette after body is together |
Yup, I've done it and it works well. You cut a plug with your router rosette rig (make sure it's a tight fit), add a block under it to keep the pin perpendicular, and rout away...
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| Author: | Neil Gardiner [ Mon Feb 07, 2011 10:47 am ] |
| Post subject: | Re: Cutting a rosette after body is together |
Well Haans that's cleaver as heck. Thanks alot. I appreciate it. Neil |
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| Author: | Hupaand [ Mon Feb 07, 2011 3:42 pm ] |
| Post subject: | Re: Cutting a rosette after body is together |
Haans, How thick is your plug? It looks like about twice that of the top. |
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| Author: | Haans [ Mon Feb 07, 2011 5:14 pm ] |
| Post subject: | Re: Cutting a rosette after body is together |
Yea, that's about right... |
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| Author: | nickton [ Mon Feb 07, 2011 5:37 pm ] |
| Post subject: | Re: Cutting a rosette after body is together |
cool |
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| Author: | Darryl Young [ Mon Feb 07, 2011 7:34 pm ] |
| Post subject: | Re: Cutting a rosette after body is together |
Here is another twist on the previously shown theme. This one might be easier to get in and out of the soundhole yet still hold well.......and it can be made where it's level with the top. I assume sponges or similar material is placed underneath to hold the block in place. These pics were taken by Bill Cory (I assume his idea  ) 
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| Author: | Joe Sallis [ Mon Feb 24, 2014 4:07 am ] |
| Post subject: | Re: Cutting a rosette after body is together |
I did it but not as neat looking as the above pics. Screw a strip of wood under the sound hole. the screw hole will be covered by the finger board. Use a slither of wood and double-sided sticking tape or bluetack or whatever it takes to prop the strip of wood up from the other side of the sound hole. Find the centre line and mid point of the sound hole. And you're away with your router. Worked absolutely fine for me. But I like Haans method better. |
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| Author: | Trevor Gore [ Mon Feb 24, 2014 7:04 am ] |
| Post subject: | Re: Cutting a rosette after body is together |
Using your router/circle cutter, cut a disc the exact size of your sound hole. When it's free from it's surroundings, it should lift out on the circle cutter pivot. Lift the disc off the pivot, apply double sided tape (or similar) and put it back on the pivot so as the disc sticks to the router base. The disc now acts as a pivot in the sound hole. |
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| Author: | nickton [ Mon Feb 24, 2014 6:03 pm ] |
| Post subject: | Re: Cutting a rosette after body is together |
what's a circle cutter pivot? |
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| Author: | WendyW [ Mon Feb 24, 2014 6:08 pm ] |
| Post subject: | Re: Cutting a rosette after body is together |
The pin that your circle cutter rotates on or pivots on. |
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