> The price would drop dramatically. Aaaaand, that's why they aren't modular. Take a look at something with obvious common parts like a side mirror. They are

> The price would drop dramatically. Aaaaand, that's why they aren't modular. Take a look at something with obvious common parts like a side mirror. They are all intentionally designed adding special shapes to make them as unique as possible to the car. Never a simple square or rectangle.