A bit of an odd one. I was asked to do a version of the Basilisk war "droid" from the Old Republic comics. That was basically this idea where Mandalorians would ride this semi-autonomous droid as crazy pseudo-cavalry. I tried to make it into a Robotech-style fighter/walker transformer that could walk under a shield and then fly off, and put my own twist on it. I attach what it used to look like at the end.
4k source at: http://fractalsponge.net/?p=4678