Hello !
Survival Building System: MarketPlace
Here is my showcase video for that system:
SurvivalBuildingSystem v1.1 - Showcase | Unreal Engine 5.2
This system allow you to build like Conan Exiles with 33 different type of building part, you can build fast & easily.
You can edit and add your own build tiers, 3D model, add build type, and window can be edited and filled automaticaly.