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"Shay" <sah### [at] simcoparts com> wrote in message
news:3cab1268$1@news.povray.org...
> Did you come across this while messing with the trefoil function?
The other way around - trefoil function came later.
>Is it just the highlight, or is there a slight fold at the crease closest
> to the right side of the image?
Yes, it looks like a slight fold.
>Is this an isosurface?
You named it already. This is 8-points spline along the cube vertices
build with spheres, as simple as that.
> This looks like a useful function. Perhaps it can be expanded to build
> itself into a cube of similar shapes.
Sure, this is a space filling curve.
Regards,
Gleb
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