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Mathematica apprentice

My gravatar is an eternal golden braid, made with the following Mathematica code:

Graphics3D[{
  GrayLevel[.3], Specularity[White, 15],
  Lighting -> {{"Directional", 
     RGBColor[1, .5, .4], {{5, 5, 10}, {5, 5, 0}}},
    {"Point", Yellow, {12, 3, 15}},  
    {"Point", White, {12, 3, 4}}},
  KnotData[{"TorusKnot", {2, 5}}, "ImageData"]}, 
 ViewVector -> {{0, 0, 5}, {0, 0, 0}}, Boxed -> False, 
 Background -> None, Axes -> False, ImageSize -> 1000]

Jan
21
answered How can I find a particular character in an image that has many similar Chinese characters?
Jan
21
answered How to remove constant background from an image?
Jan
18
answered Is the source code available for examples in the “Mathematica Cookbook” by Sal Mangano?
Jan
16
answered Why are the elements of plots separated in exported PDFs?
Jan
8
answered Adding a coordinate label to individual squares in ArrayPlot[…]
Jan
7
answered Domain Coloring
Jan
5
answered How can I highlight the points lying between two lines in a ListPlot?
Jan
2
answered Does Mathematica have a built-in date picker?
Dec
29
answered How can I make a barchart?
Dec
27
answered How to create an executable notebook in Mac OS X
Dec
27
answered Non-geometric transformation of Graphics3D primitives
Dec
24
answered How to create animated snowfall?
Dec
24
answered How do the experts use the interactive notebook facilities of Mathematica?
Dec
22
answered How do I make an image “nearly” black and white?
Dec
20
asked Why does DominantColors keep shuffling the order of the results?
Dec
20
asked FindFaces: how to improve the results of the face recognition feature
Dec
18
answered Deformed style when exporting eps files
Dec
17
answered How can I superimpose points or disks on an image at specified coordinates?
Dec
10
asked Simple blink comparator for two images
Dec
7
answered Graphics exported from Mathematica 9 are very large because even standard fonts are embedded