This is my entry for Microsoft 3D Builder Test Model Challenge.
STL (Stereolithography, filesize: 710 KB), OBJ (OBJ, filesize: 5.94 MB), MAX (Autodesk 3ds Max, filesize: 492 KB), 3DS (3D Studio, filesize: 1.84 MB), FBX (Autodesk FBX, filesize: 2.32 MB)