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I call this the Toroidal Time Traveller Hypercube.
It is an unusual projection of the 4 dimensional 'hypercube' into 3D that I discovered decades ago.
When creating a projection in a lower dimension it is unavoidable that there will be some distortion of the angles as a whole dimension of information is being lost.
As far as I know this is the only projection where not only are all the lines are equal length, but all 8 cubes are identically distorted.