These amazingly detailed DIY models start as 8.3 x 4.3 steel sheets and finish as amazing 3D models. Use the easy to follow instructions to pop out the pieces, bend the tabs, and connect them at the attachment points.
He lays his life on the line in the defense of his adopted world. Every action he takes, and every modification he makes to his formidable body, is done to protect Earth. Optimus is usually depicted as having rose up from the lowly worker to become a champion in gladiatorial combat.