This model was created by 3D scan from the real lego, printable and matches the real lego, retopology in Blender, perfectly matching the real brick when I tried
No UV map;
Can be used as a vehicle engine, airplane engine or tank, etc..
The zip file contains the FBX and OBJ format, hope can save your time;
Peace!
OBJ (OBJ, filesize: 12.1 MB), FBX (Autodesk FBX, filesize: 12.1 MB)