Gundam OO is created by DIASAI. I just edited a few details to make it comfortable to work in Blender.
STL (Stereolithography, filesize: 96.1 MB), OBJ (OBJ, filesize: 123 MB), PNG (PNG, filesize: 70.2 MB), FBX (Autodesk FBX, filesize: 85.6 MB), JPG (JPG, filesize: 70.2 MB), BLEND (Blender, filesize: 116 MB), OTHER (Other, filesize: 46.2 MB)