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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...
By identifying two opposite sides of a rectangle, we get a cylinder. See also the interact...
How to get a bitorus from a decagon: this is the sixth and last step. Here you can see the...
How to get a bitorus from a decagon: this is the fifth step. Here you can see the fourth s...
How to get a bitorus from a decagon: this is the fourth step. Here you can see the fifth s...
How to get a bitorus from a decagon: this is the third step. Here you can see the fourth s...
images from the topology section