Curious why the casting would have anything to do with how the doors are mounted? Last I checked they are not screwed to the frame of the car.
Sandy Munro Says Mega Castings Could Solve Gap Issues On Tesla Model 3
Sandy Munro was eager to check if the 2021 Tesla Model 3 has mega castings such as the Model Y, but he was disappointed with minor improvements.
insideevs.com
I was more thinking the rear end where we’ve seen tons of issues with rear lights, charging doors, and back hatch.