The material comes from the car friend @Lang WeiXian contribution.
If this waistline hits... I suggest that you just change the door.
The answer to the last issue of the car is announced below - Tesla Model 3 or Y
The interiors of the 3 and Y are exactly the same, which cannot be seen from this angle.
It is worth mentioning that this wooden trim strip on the door is exclusive to The Chinese market model, and the overseas version is a bare door panel...