T8 Leadscrew Driven I3 Printer modification

Edit Jan 24, 2018:

I've finally completed a test assembly, and corrected a few issues that I had with things like endstops and some parts that needed adjustment in order to have some success with assembly. I also added provision for a cable drag between the heated build platform and the chassis so that wires don't get pinched. This takes the form of a tab on the Y nut holder and a small piece on the feet to which the drag chain can be attached. This is not incorporated into my test build yet.

At time of writing, I have the frame and axes assembled, and have the Marlin 1.1.x firmware configured to move the motors at 400 steps/mm (4000steps/mm for the Z axis)

By happy coincidence, I was able to use the existing frame to hold the gantry. This was not intentional, it just happened to work out this way. I had intended to (And still intend to) change to a box frame. The problem is that the feet were not entirely appropriate as they were to hold the frame at the correct offset to get