How to make seamless solid background with floor

Hello, 1st time using unreal.

I need to create an infinite floor/seamless background with floor for my demo reel. Just a simple plane and 3 point lighting as in as tudio setup doesn’t really do as I need it to look the same from all the angles hence infiinte.

I don’t really know how to explain it well so here are some examples that should give an idea of what I’m trying to achieve:

You need something called a skybox, or HDRI