Toroidal paradox

This animation illustrates the solution to an old riddle proposed by Martin Gardner. Is it possible to manipulate the red double torus in order to free one of the two handles from the blue torus?

To see the solution, just move the cursor in the following line from left to right.

Click & drag on the image changes the point of view. The mouse wheel allows you to zoom in/out.

The sources are on https://github.com/gianmarco-todesco/toroidal-paradox.

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