It’s an easily without support printable toy. Its every part is interlocked with another. Length is approximately 17 cm. Wheels are movable smoothly. And it is easy to assemble. Every direction has been given in pictures.
MA (Autodesk Maya, filesize: 77.3 MB), OBJ (OBJ, filesize: 167 MB), FBX (Autodesk FBX, filesize: 42.1 MB), STL (Stereolithography, filesize: 395 MB)