In Unreal Editor for Fortnite (UEFN), you can create custom 3D models and edit existing meshes. The UEFN modeling tools are robust enough to create and edit complex 3D assets, reduce polygon counts in textures by baking models, create and edit UVs, and more.
Learn about the UEFN tools and their purposes, including how to create simple meshes, and do a deep dive into the Modeling Mode features with curated UE documentation.