Playstation 5 Back Controller Custom

Hello, I am looking for a person familiar with the creation of 3d rendering. I have a project to do with ps5 controllers for my custom controller company. I want to create a special controller back with 2 and 4 additional buttons that you can remove when you want it must provide a slot inside for a pcm card and more.

I leave you an example image below I want what you see its photo silk inside and that only the side where it has the button out of the controller.

I need the exact measurements of the parts at the end of the 3d printing files to have them printed in large quantity and more. I want the palettes in the following photo to be integrated into the controller as well as the holes to be created. stl file and more required. I'm looking for someone with video games expérience in controllers.