STANDARD LENGTH IS 200mm.
STL (Stereolithography, filesize: 146 MB), OBJ (OBJ, filesize: 3.16 MB), 3DS (3D Studio, filesize: 1.25 MB), FBX (Autodesk FBX, filesize: 645 KB), MAX (Autodesk 3ds Max, filesize: 3.17 MB), SAT (3D ACIS, filesize: 5.36 MB), STP (STEP, filesize: 3.75 MB), SLDPRT (SolidWorks, filesize: 2.69 MB), IGE (IGES, filesize: 6.72 MB)