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  1. #1
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    Process for Creating a Crescent for Segmented Turning

    Following are steps for creating a crescent, in this case 2 high, at widest point.

    Use contrasting woods of your choice.




    Drill a 2 hole in the center of a 2 7/8 x 3 1/8 dark colored block and a 2 5/8 x 3 1/8 light colored block using a forstner bit. Cut both blocks in half on center.

    Drill (4) 1/8 x 5/16 deep pivot holes on the centerline of a 2 x 3 dark block.
    One hole 7/8 from each end and one hole 1 1/8 from each end.




    Using a jig on a disc sander (Jig detail below), sand each end of the block to a
    1 radius that fits tight into the light blocks, using the 1 1/8 inset pivot hole.




    Glue one half of the light block to each end of the dark block.
    Cut some of the away excess wood from the light wood.




    Radius the ends to 1 as before, using the pivot hole 7/8 from the end (This creates the width). Glue one half of the dark block to each end of the light/dark block.


    You now have two crescents. Cut into blocks as required.


    Following are photos of the sanding jig:




    Jig mounted on 20 disc sander. Jig is adjustable for sanding any size radius.





    Pivot pin.





    Sanding the radius.


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  3. #2
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    Re: Process for Creating a Crescent for Segmented Turning

    So, then this gets cut with the angle to fit into a ring?


    Edit:

    Should have looked at the other thread first.

    Thanks
    Last edited by Mike Davis; 04-12-2018 at 03:30 PM.



    One machine can do the work of 50 ordinary men. No machine can do the work of one extraordinary man." -Elbert Hubbard

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    Re: Process for Creating a Crescent for Segmented Turning

    Even more i evolved than I was thinking with your jig. Not surprised at your creativity. You come up with great ideas.
    - Not living life till you're part of the Food Chain

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    Re: Process for Creating a Crescent for Segmented Turning

    Thanks for sharing the process Charlie, you are a true craftsmen and artist.
    Measure twice... cut once... SCREAM LOUDLY... get another board

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    Re: Process for Creating a Crescent for Segmented Turning

    Charlie, could this be accomplished with inlay techniques? I would think that with a jig saw and some sharp chisel patience you could get to the same result.
    I don't know about you guys, but for me it's all about that feeling of, "Wow, I made that."

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    Re: Process for Creating a Crescent for Segmented Turning

    Johnathon,
    The woods used in segmented turning goes all the way through because 80% of the wood gets turned off when shaping the vessel. Inlay will not work unless applied to a finished vessel.

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    Re: Process for Creating a Crescent for Segmented Turning

    I guess I was thinking of a different term. I wasn't thinking of a surface inlay, but more of a through inlay? Drilling a hole and using a jigsaw to cut out the entire shape.
    I don't know about you guys, but for me it's all about that feeling of, "Wow, I made that."

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    Re: Process for Creating a Crescent for Segmented Turning

    With the segmented techniques it's easier to build the shapes or voids into the build. Charlie has created some amazing pieces for that ring.
    - Not living life till you're part of the Food Chain

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    Re: Process for Creating a Crescent for Segmented Turning

    Johnathon, As always, there are many ways to accomplish something. My way works well for me, but may not for others.

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