I dont think there is a tutorial that will show you that. Best advice will be using "common sense" and looking for good references. You might also want to build yourself generic parts that you might use to connect main shapes (kitbashing) reusing parts will save you a lot of time and will add visual complexity. Well it…
I want to make a impressive portfolio piece in the future, I was thinking about making a transformer. My guess is that I would model the vehicle I want to use and then work from there, so in this case the Lambo Reventon. Would I then design the robot using parts from the car, but add other parts to connect them all…