Blender has resources packed
Textures resolution is 2K
Separate textures for Unity and Unreal
Unity version used 2020.1.9f1
Unreal version used 4.18.3
Mesh heart: Vertices - 291, Triangles - 536
Mesh ball: Vertices - 429, Triangles - 812
Native Formats: BLEND (Blender, filesize: 25.7 MB)
Exchange Formats: OBJ (OBJ, filesize: 90.8 KB), FBX (Autodesk FBX, filesize: 139 KB), UASSET (UnrealEngine, filesize: 36.2 MB), UNITYPACKAGE (Unity 3D, filesize: 26 MB), TEXTURES (Textures, filesize: 50.9 MB)