Originally planned on doing this earlier buy my first attempt failed when I did a demo for someone, and my file got corrupted :(
This is the second time around, about an hour in this, trying to figure out forms.
The original concept is by artist Nicolas De Spain, he graciously allowed me to use this concept for a sketch.
the original can be found here:
Nicolas has some other crazy pieces on his blog as well be sure to check him out and give him some love :)