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Thread: Computer generated Celtic Knots Free

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  1. #1
    Join Date
    Dec 2007
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    Superior CO
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    1,182

    Default Computer generated Celtic Knots Free

    I just found this cool program that creates Celtic Knots in 2D and 3D. It outputs in stl and dfx so if you have the stl importer or the dfx importer you can have some fun with this program. It also exports obj and the output is very clean quad geometry if you want to edit it further it makes it a snap.

    http://www.stevenabbott.co.uk/Knots/knots.html

    I also did a little write about it here http://www.cncmodelclub.com/celtic-knot-cnc-patterns/ with a couple of quick tests that can be downloaded.
    Attached Thumbnails Attached Thumbnails cross-render-3-celtic-knot-cnc-pattern-model.jpg  
    John

    High Quality 3d Clip Art
    www.CarveMore.com


  2. #2
    Join Date
    Jan 2009
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    Bonney Lake, Washington, United States, 113160055365328, Bonney Lake, Washington
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    1,800

    Default

    That is so cool John! I can't wait to try it. Thanks.
    Tom Watson
    Two CW's and D.C.-Top Mount Insert @ Ringneckblues.com Get the dust out!!
    50" X 48" PDJ Pilot Pro CNC http://www.pdjinc.com

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  3. #3
    Join Date
    Jun 2008
    Location
    New Windsor, MD
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    688

    Default

    Has anyone done any more work with this program? I am playing with it, but can't get the results as smooth as I would like. I also see that the author says he created the .xyz format for use with the carvewright. what does that relate to? I tried doing some STL imports but always got an corrupt file error when I do. Anyone else have sucess?

    thanks,
    dave

  4. #4

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    I've done a fair bit with it. Post an example and explain more what you mean by "smooth". I did use Pattern Editor to clean up my results.

  5. #5
    Join Date
    Jun 2008
    Location
    New Windsor, MD
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    688

    Default

    Quote Originally Posted by DickB View Post
    I've done a fair bit with it. Post an example and explain more what you mean by "smooth". I did use Pattern Editor to clean up my results.
    I did a basic 10x3 knot and increased the sides points and smooth as high as it would let me. It looked good in the picture, but when imported not as much.
    Click image for larger version. 

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  6. #6

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    One suggestion is to change the background color to say red. Import the height map into a paint program or pattern editor, use the magic want to select it, then delete it. This will eliminate the "spikes" inside the knot. I did use the "smooth" and/or "blur" functions, along with "trim" and "round", of Pattern Editor to get the result that I wanted.

  7. #7
    Join Date
    Sep 2009
    Location
    Goodman, Missouri
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    2,922

    Default

    Thanks John, just downloaded it. Will have to give it a try.
    Using Designer 1.187, STL importer, Center line, conforming vectors, scanning probe/PE, and the ROCK chuck.

    Eddie





  8. #8
    Join Date
    Sep 2011
    Location
    Saginaw, Texas
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    1,082

    Default

    That is one I am one the way to download - thanks much

  9. #9
    Join Date
    Nov 2007
    Location
    Las Vegas NV
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    1,267

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    Thanks, That is a cool program. Now I have to learn to use it
    Leo Davenport
    Enjoy Life Carve Something everyday

  10. #10

    Default

    It also can generate a height map so you don't need the importer software. I remove the white background with a magic wand tool of a paint program.

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