How to change material at specific area

First, my Engilish is not good.

I am using line trace to find hit location and I want to change material to that area
image
like this
is there any way to make this?
I am beginner…

Hey there @CHEWARUM! Welcome back to the community!

So if you’re trying to paint on a Skeletal mesh, here’s a good tutorial for you with a solid breakdown. (apologies it’s in English). That said this functionality is a bit deep, but I believe in you! Hope this helps!

Disclaimer: One or more of these links are unaffiliated with Epic Games. Epic Games is not liable for anything that may occur outside of this Unreal Engine domain. Please exercise your best judgment when following links outside of the forums.

SKM:

and one for static meshes: