The file 'Remixed Optimus Prime (single Print, Transforms, No Supports) 3D Printer Model' is (stl) file type, size is 483.0KB.
remixed it a bit. the head was really weak and fell off a lot. I created a much more solid joint for the head to swivel around better. Model had no other issues.
optimus_prime_2.stl | 1.2MB |