First off, the stock charger is a 5V, 850mah (0.85A). Yes, there is a charging protection circuit built in. I suppose the real question is the purpose of the chip in the dock, is it an rfid that turns on the dock connections in the phone, or just more mosfet?
Attached are pics of the stand, yes it was printed with the access hole designed in. It also had pins on the dock, but i had to do some filing for the sake of fit. I modified the design in Solidworks, but without another iteration of prototyping, I cannot verify the revised fit.
I can upload the modified parts file for solidworks if anyone is interested. I cannot upload the new version .stl as the student version wont let me modify it (need to re-save on lab computers).
P.S. The design is small to fit inside a volume limit at the lab of 4 cu inches, it comes out to 3.99 cu in with support material on solid density.