The following 3D model is known as "Structural engineering of Concrete frame buildings 3D model purchase" and is associated with author "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 38.5 MB), OBJ (OBJ, filesize: 38.5 MB), JPG (JPG, filesize: 38.5 MB), 3DS (3D Studio, filesize: 38.5 MB), DAE (Collada, filesize: 38.5 MB), DWG (AutoCAD, filesize: 38.5 MB), DXF (DXF, filesize: 38.5 MB), FBX (Autodesk FBX, filesize: 38.5 MB), SKP (Sketchup, filesize: 38.5 MB), USDZ (USDZ, filesize: 38.5 MB), WRL (VRML, filesize: 38.5 MB), HRC (Autodesk Softimage, filesize: 38.5 MB), MAX (Autodesk 3ds Max, filesize: 38.5 MB), LS11 (Lumion, filesize: 38.5 MB)