In some of the first Tesla Model 3’s, the brake rotors were simply held in place by the wheel, which is held in place by the lug nuts, like this:
Sometime during production, Tesla added a rotor hold bolt – a small bolt that holds the rotor in place while the wheel is being tightened. The main problem with this change is there is now a protrusion (the bolt head) on the otherwise uniform surface of the rotor face.
Wheels designed specifically for the Tesla Model 3 now come with a machined spot in the wheel to accommodate this bolt head.
Another option when fitting aftermarket wheels is to simply remove the rotor hold bolt before mounting the wheels.