This free "Ventilation system 3D model get" 3D asset is currently listed under the authorship of "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
MAX (Autodesk 3ds Max, filesize: 3.47 MB), OBJ (OBJ, filesize: 753 KB), FBX (Autodesk FBX, filesize: 1.25 MB), C4D (Cinema 4D, filesize: 1.53 MB), ABC (Alembic, filesize: 725 KB), 3DS (3D Studio, filesize: 663 KB), DXF (DXF, filesize: 897 KB), DAE (Collada, filesize: 739 KB), WRL (VRML, filesize: 615 KB)