Cutouts in Black

As the title says, make it possible to make the cutouts in plastic, chrome, paint or carbon, too.
This way you can add licenseplate holders which are made of different materials. I personally would love to add a black/grey plastic cutout.
Also, do they have to be center-aligned? As I sometimes like cars to have the licenseplate in a square to the side (Lancer EVO) or just a regular plate to the side (Alfa Romeo)
Examples:


This way you can add licenseplate holders which are made of different materials. I personally would love to add a black/grey plastic cutout.
Also, do they have to be center-aligned? As I sometimes like cars to have the licenseplate in a square to the side (Lancer EVO) or just a regular plate to the side (Alfa Romeo)
Examples:

