A model of the Boeing X-37B a still relatively secretive experimental spaceplane built by Boeing for the US Airforcethe model is full scale but designed to be scaled down and printed anywhere between 1/20 and 1/100 scale
SLDPRT (SolidWorks, filesize: 17.1 MB), OBJ (OBJ, filesize: 11.6 MB), 3DS (3D Studio, filesize: 3.08 MB), STL (Stereolithography, filesize: 28.1 MB), 3MF (3D Manufacturing File, filesize: 1.25 MB), SLDPRT (SolidWorks, filesize: 17.1 MB), DAE (Collada, filesize: 8.15 MB), AMF (amf, filesize: 11.5 MB), IGE (IGES, filesize: 16.6 MB), DXF (DXF, filesize: 23.5 MB)