You know the one, from the Research and Development mod.
I loved that vehicle, could anyone remake it in Gmod?
Maybe even having to put it together when you spawn it? 
http://www.garrysmod.org/img/?t=dll&id=73612
It’s adv duplicator file,and of course it requires ep2 mounted.
Oh,if you are asking for a sent,sorry,rate me bad reading.
Yeah, I kindof am asking for a sent >.<
Nice job though 