The torus will rotate around its own circumference. Instructions for the larger diameter one are in the youtube, and another you tube on my site shows how to make the narrower one and the smaller cube.
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the Ettamogah Cube!
How to begin the diameter 8 tube.
I can see how this diagram might just be confusing, but I am very interested to know if anybody actually finds it useful, so I know whether to keep doing them.