multi angle part for lightbox

* Easily refine booth shapes: You can easily create different types of angles, such as right angles, acute angles, obtuse angles, and right angles.
* Modular functionality: You can quickly and easily modify booth designs to accommodate more complex venues.
* Easy installation: Installation can typically be completed using tools or by hand.  
Reliable connections: High-strength materials ensure the booth is safe and stable.  
* Enhance booth professionalism: A more design-oriented booth can leave a better impression on visitors about your company.