Twisted pair based ethernet

The file ethernet.skp is used to generate the image used here:
https://commons.wikimedia.org/wiki/File:Twisted_pair_based_ethernet.svg

I have uploaded this file so other can continue my work on the SVG file, if needed.

The model is not yet designed for printing. I was thinking one could make a square transparent tube where the cubes would fit in. There by illustrating how much data bandwidth a give cable bandwidth can handle.