What is the thickness of the led display?
Full-color screen 150-180mm, monochrome will be smaller, 60-90
Commonly used profiles are made of 9cm thickness, ultra-thin can do 5cm, the box to do more than ten centimeters have a few, on-demand custom.
The thickness of less than 75mm, with the aluminum. Can also be thinner but the material is not easy to find.