Selecting a small picture will enlarge it.
From overhead, the torus looks like two linked rings.
Much of the self-intersection circle is visible.
The self-intersection is visible from another viewpoint.
In the next two pictures a portion of the torus has been cut away.
This is the same view as in the first picture.
The figure-8 cross section is visible.
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Created: Jul 19 1995 ---- Last modified: Wed Aug 16 20:06:36 1995
Copyright © 1995 by The Geometry Center, all rights reserved