I do this kind of stuff quite a bit. But trying to put it into words is quite daunting. This is a very 2 dimensional representation. The entire thing is actually 1 spiral that gets pulled back into itself (reflected). So, in 3 dimensions you would see it as a complex spiral form. The fourth dimension is invisible. But, if you were to see it, it would be a grouping of toruses that form a singular torus. Basically, it is a magnetic type 'field'. That is where it gets its 'shape' from. Remember, any micro thing like this must be self perpetuating.

EDIT: OH! And if you are wondering how it can be 'self perpetuating'...well, light has a constant speed. It doesn't slow down! So, if 'light' can be contained like this, then it is self perpetuating!