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A three-components knot. The three threads are mutually untied (all the possible couples o...
We can cut a torus along a simple, closed curve and it won't divide in two parts. See als...
We can cut a torus along a simple, closed curve and it won't divide in two parts. See also...
By identifying opposite sides of a rectangle, we get a torus. See also the interactive ani...
We can cut a torus along a simple, closed curve and it won't divide in two parts. See als...
We can cut a torus along a simple, closed curve and it won't divide in two parts. See also...
We can cut a Moebius strip along a simple, closed curve and it won't divide in two parts. ...
By identifying two opposite sides of a rectangle, we get a cylinder. See also the interact...
By identifying the opposite sides of a rectangle you get a torus. See also the interactive...
