I am able to import static meshes without any problems from Blender; however, when I add weights to the bones/mesh for animation, the .fbx file does not import correctly into UE4. The mesh appears “plastic,” and the root bone collapses into the origin, moving the other bones up in the hierarchy. Her…

in your UE4 FBX import settings, make sure “import normals and tangents” is selected as the import normals method, and make sure PreserveSmoothingGroups is checked.