These lattices are modeled in Cinema 4D. The native format is .c4d, other formats offered: .3ds, .fbx, .obj and .mtl.No texture is needed, I leave it up to you.
C4D (Cinema 4D, filesize: 14.3 MB), OBJ (OBJ, filesize: 22.3 MB), FBX (Autodesk FBX, filesize: 7.31 MB), 3DS (3D Studio, filesize: 9.35 MB)