UE4 Offset space to center ???

Hi, How I can offset space to center of it.
Any Ideas ???

Hi! Do you want to change pivot location for mesh?

No I want to do inset from yellow zone to red zone

So, you want to change vertices with UE?

Yes, Vertices offset to the center. Have You got any ideas how to do it ?

This may help Modifying Static Mesh Geometry | Unreal Engine Documentation