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Check out the link below.

http://geometricarts.googlepages.com/Kim1.jpg/Kim1-full.jpg

For more interesting stuff peruse through the site below.

http://geometricarts.googlepages.com

Good to see you Ghee!

I attached your file for viewer convenience.

Is this a trefoil knot? If so, I believe the three place where the string touches itself would be 90 degrees to each other. The motion wouldn't be parallel so it's hard to see how the gears would mesh and push each other.

Here some nice renditions of a trefoil knot:

Wolfram illustrations of a trefoil knot

post-8779-1230338809.jpg

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Hop,

Your diligence in posting this image on my behalf is much appreciated.

The image has been created by revolving each pentagonal face of a dodecahedron around each side as axis. You only get to see this because of the odd angle I have chosen. all polyhedron can create similar shapes.

Hope this help you visualize it.

Ghee

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