Fortnite style building system

I just made a Fortnite style building system using Pivot Painter 2.0 script. I’ve also added support for foundation structures so there will be no floating structures. It is only a rough implementation. I would love to hear about how Epic managed to do hierarchical structures.

Here is a video:

Would you be able to share a project link? I try to find a tutorial on how to make a system like that but you can’t find one anywhere.

second page of this sub forum
https://forums.unrealengine.com/community/community-content-tools-and-tutorials/1468523-fortnite-s-building-system-in-unreal-engine-4

did you have to set the map on a grid or something for the structure to setup like that?