This episode is all about editing 3D models in Unreal Engine. We’ll take a deep dive into the tools at your disposal for creating and manipulating geometry in the engine, then look at the workflows for basic modeling, texturing, and optimizing meshes.
https://dev.epicgames.com/community/learning/talks-and-demos/pb/getting-started-with-in-editor-modeling-tools-tips-and-tricks-unreal-engine