Modern wall light, made with pla, directly connected to the electrical system of the house, just like a normal light.
All you need is a 12v power supply (in my case 1A) and a 12v led strip.
If you want, there is also space for rgb lighting and related electronics.
Just for example, i've used this:
Led Strip: https://amzn.eu/d/9I6I0VW
Power supply: https://amzn.eu/d/8a7QSuS