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How to model a tele style neck for CNC work.... new and improved...same low price

Discussion in 'Tele Home Depot' started by guitarbuilder, Feb 16, 2021.

  1. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    I'm putting a couple points at the widest part. I had them at the last fret but I moved them to this spot.


    points at the end of the neck.JPG
     
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  2. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Next using the arc tool, I make a 9.5" radius line between the two points.


    radius line.JPG
     
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  3. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    And then I copy it to the fretboard plane.

    copy radius line to centerline.JPG
     
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  4. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    and delete the top one


    radius line deleted.JPG
     
  5. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Now I can extrude that line and create a radiused surface. I extrude it beyond the nut transition area


    fretboard surface radius.JPG
     
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  6. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    So now that we have a fretboard surface I am going to try something new and draw in the fret slots. I making the slot 1/16" deeper than the edge of the fretboard. That is a surface and I extruded that into a solid in both directions by .011. I will put a point right at the top of the middle of top dead center.





    fret slot .022 wide.JPG
     
    Last edited: Feb 16, 2021
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  7. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    I copy that fret slot and place it at each fret line location that Ed drew.


    fret slots centered on fret lines.JPG
     
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  8. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Now I will draw in the thickness of the fretboard wood around it.


    fretboard thickness.JPG
     
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  9. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    I draw in the fretboard sides. There are quite a few different ways to do that, the easiest being draw lines, create a planar surface out of them.


    fretboard sides.JPG
     
    Last edited: Feb 16, 2021
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  10. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Now I flipped it upside down and made the bottom of the fretboard. I use sweep two rails with the highlighted line in yellow.



    bottom fretboard surface.JPG
     
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  11. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    sweep  2 rails for fretboard bottom.JPG



    FRETBOARD BOTTOM SURFACE.JPG
     
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  12. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    And the last thing for today...I'll just cut out some lines and show the fretboard with slots....it'll still need to be tapered later.


    FRETBOARD WITH SLOTS.JPG
     
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  13. Engraver-60

    Engraver-60 Friend of Leo's

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    Looking good, Marty.
     
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  14. GeminiCG

    GeminiCG Tele-Meister

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    Wow, as someone who wants to build guitars for a living after college, this is most helpful as I plan on using CNC in the future. Maybe some lessons from you would be nice.
     
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  15. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Thanks Mark!
     
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  16. archetype

    archetype Fiend of Leo's

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    That's pretty cool. It looks like a lot of work, but a lot of work only once.

    How would a CNC rough in the back profile? Do you digitize an existing neck for X, Y, and Z, and then program to that data set?
     
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  17. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Thanks. If you can, take a college Cad class or two. Also get an education copy of some 3D software that you like the looks of. Rhino had an educator's and student discount that made it sort of affordable.
     
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  18. pshupe

    pshupe Tele-Meister

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    Fusion 360 is free for hobbyists and all Autodesk software is free to students.

    CAM software these days just take the 3d model and carve out what ever isn't there. Like Michelangelo said when asked how he sculpted David. He said he just took out the pieces of rock that were not David.

    I used Rhino for a while and find Fusion 360 a little easier and more intuitive. I sketch in AutoCAD import into Fusion and just push and pull into solids.
    Here is a typical guitar model in Fusion 360 -
    Capture.JPG and the completed guitar - front02.jpg

    Cheers Peter.
     
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  19. GeminiCG

    GeminiCG Tele-Meister

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    I have a background in Fusion 360 because of high school, but it has been a while since I last used it.
     
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  20. guitarbuilder

    guitarbuilder Telefied Ad Free Member

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    Ok back at it ....now comes the hard part. the curved surfaces. Here's how I left it.



    after the cookie cutter.JPG
     
    Last edited: Feb 17, 2021
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