I took the original T-800 model, cut it off, and hollowed it out to make space for a small USB hub. Also, I made special LED housing pieces for the eyes, to print with transparent material. It doesn't seem to be self-aware yet which is a bit disappointing but good I guess. :DI used a shimmering bronze coloured PLA for this thing printed in 0,200 mm layer height. With the face tilted backwards this model prints great without supports. Basically you should be able to fit any small compact 2-4 port hub in there. I bought a couple of LED lighted charging cables and connected them to the hub. Routed the cables folded into the eye pieces which I printed in transparent PET (0,300 mm layers). Next time I print this I'll scale up to 125% so it can better accommodate the USB hub I got. It would also make the skull look more life size. Sliced with CraftWare and printed on a CraftBot. Update: Painted it with Viva Inka Gold in graphite and silver. Noob paint job but it's OK :)