File:Trefoil Knot.stl

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Original file (5,120 × 2,880 pixels, file size: 71 KB, MIME type: application/sla)

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Summary

[edit]
Description
English: A trefoil knot.
Date // 2018-12-28 // 2023-01-28
Source Own work
Author Jim.belk
STL File: MichaelFrey (talk)
Other versions

Source

[edit]
//https://commons.wikimedia.org/wiki/File:Blue_7_1_Knot.png

r_tube = 0.1;
num_steps = 70;

function pointCord(theta) = [
0.3*( 2*sin(2*theta)-sin(theta) ), 0.3*( 2*cos(2*theta)+cos(theta) ), 0.3*sin(3*theta)
];

module point(N){
  theta = 360 * N / num_steps;
  translate(pointCord(theta))
  sphere(r_tube);
}

for(N=[0:1:num_steps]){
    hull(){
        point(N);
        point(N+1);
    }
}

Licensing

[edit]
Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File history

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Date/TimeThumbnailDimensionsUserComment
current13:15, 28 January 2024Thumbnail for version as of 13:15, 28 January 20245,120 × 2,880 (71 KB)MichaelFrey (talk | contribs)== {{int:filedesc}} == {{Information |Description={{en|1=A trefoil knot.}} |Source={{own}} |Author=Jim.belk <br/>Animation: MichaelFrey (<span class="signature-talk">{{int:Talkpagelinktext}}</span>) |Date=2010-03-21 // 2018-12-28 |Permission= |other_versions= <gallery> File:Blue Trefoil Knot.png File:Blue Trefoil Knot Animated.gif File:Trefoil_Knot.stl </gallery> }} == {{int:license-header}} == {{PD-self}} [[Category:Trefoil k...

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