20ft Cargo Container Black Low-poly 3D model is available on CGTrader for $6. Original author: Eleanie. Specs: 128748 polys, 71562 verts.
BLEND (Blender, filesize: 50 MB), OBJ (OBJ, filesize: 139 MB), FBX (Autodesk FBX, filesize: 172 MB), TEXTURES (Textures, filesize: 119 MB), STL (Stereolithography, filesize: 132 MB), PNG (PNG, filesize: 119 MB)