Treadmill Mod

I built a framework from 2x2s (leftover from the shelves in the background, in fact) to sit on the back of the treadmill and convert all the strange angles to hold up a couple of vertical posts where I can mount a shelf:

It is held in place entirely by gravity, no drilling took place on the treadmill itself :-).

From the front it looks much neater:

And here is the view from the treadmill itself: