The wall and the grid were modeled in Cinema 4D R21. The native file is .C4D. Other formats offered: .3DS, .FBX, .DXF, .STL, OBJ and .MTL. Textures PBR are provided.
C4D (Cinema 4D, filesize: 12.7 MB), OBJ (OBJ, filesize: 28.5 MB), FBX (Autodesk FBX, filesize: 67.9 MB), 3DS (3D Studio, filesize: 8.17 MB), DXF (DXF, filesize: 23.1 MB), STL (Stereolithography, filesize: 12.7 MB)