This is a 3d-model of the "Spiral Staircase with Railing Architectural Details 3D model purchase" by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 21.6 MB), OBJ (OBJ, filesize: 53.1 MB), DWG (AutoCAD, filesize: 441 KB), FBX (Autodesk FBX, filesize: 7.13 MB), DAE (Collada, filesize: 15.7 MB), DXF (DXF, filesize: 2.77 MB), 3DS (3D Studio, filesize: 11.3 MB), 3DM (Rhinoceros 3D, filesize: 4.95 MB)