This is a tutorial on creating a Blueprint that acts as a modeling tool using the Geometry Script plugin.
You’ll learn how to:
Create a primary and a secondary Dynamic Mesh,
Perform Boolean operations between them,
Create an Editor Widget as the interface for operations,
Create a Brush to use in the editor,
Create a Brush to use in P.I.E.,
Manage a modifier like Twist Warp,
Export the Dynamic Mesh to a Static Mesh.
https://dev.epicgames.com/community/learning/tutorials/7R48/unreal-engine-ue5-5-tutorial-eng-ita-create-a-modeling-tool-using-blueprints-geometry-script-plugin