Okay so I found this cool concept for a humanformer AU on Instagram by blackberreh_art so if ya got insta I would definitely recommend to ho check their other stuff out to.

*update*
They made some more and the ones above were kinda modeled from the TFP designs but these next ones were kinda a mix if TFP and IDW. Oh and the guys above are Optimus, Megatron, and Soundwave if you guys couldn't tell.

These two are Drift and Shockwave