High quality industrial Air Duct Ventilation model. Created in Cinema 4D but comes in various other formats as well.
OBJ (OBJ, filesize: 8.01 MB), FBX (Autodesk FBX, filesize: 28.2 MB), 3DS (3D Studio, filesize: 3.66 MB), C4D (Cinema 4D, filesize: 24.6 MB), DXF (DXF, filesize: 10.4 MB)