Steel Roof Frames 3D Model Pack 3D model is available on CGTrader for $19. Original author: New0Art.
C4D (Cinema 4D, filesize: 3 MB), OBJ (OBJ, filesize: 1.28 MB), FBX (Autodesk FBX, filesize: 1.33 MB), DAE (Collada, filesize: 1.09 MB), STL (Stereolithography, filesize: 1.21 MB), ABC (Alembic, filesize: 1.09 MB)