Basic model without bolean unions
3DM (Rhinoceros 3D, filesize: 1.33 MB), OBJ (OBJ, filesize: 2.8 MB), FBX (Autodesk FBX, filesize: 267 KB), 3DS (3D Studio, filesize: 269 KB), DAE (Collada, filesize: 2.36 MB), STL (Stereolithography, filesize: 6.34 MB)