Check out SKYTTA Sliding door frame 11 Low-poly 3D model on CGTrader for $20. High-quality mesh by D3DIdeal: 6814 polys, 12930 vertices. Textured, UV Mapped.
STL (Stereolithography, filesize: 333 KB), OBJ (OBJ, filesize: 1020 KB), 3DS (3D Studio, filesize: 346 KB), FBX (Autodesk FBX, filesize: 291 KB), GLTF (glTF, filesize: 1.07 MB), USDZ (USDZ, filesize: 1.39 MB), TEXTURES (Textures, filesize: 864 KB), PNG (PNG, filesize: 864 KB)