[Tatsu]

With all honesty, this is cool, but it makes no sense to me.

You should put the wheels in a diamond pattern, so when you're pushing forward, you're at around 75 not 50% efficiency.

But what makes no sense, is why you want treads.
For non-deforming surfaces, frictional force is independent of area. IIRC, Tank treads make sense in that they can "dig in" and create normal force (instead of frictional force) but these AM rollers dont deform, dont dig in, dont really do anything but add weight. since there's only two points where the weight is supported (the aluminum sprockets) this is functionally equivalent to having two omnis on each side of the square.

Also, why are you filing? you have access to a SWEET cnc mill, it'd only require a fraction of the machining you did for your wheels

Tatsu out.