Military Trench Low-poly 3D model is available on CGTrader for $10. Original author: CraftedIn3D. Specs: 14772 polys, 7782 verts.
SKP (Sketchup, filesize: 46.1 MB), BLEND (Blender, filesize: 49.9 MB), OBJ (OBJ, filesize: 3.15 MB), FBX (Autodesk FBX, filesize: 45.9 MB), GLTF (glTF, filesize: 44.5 MB), TEXTURES (Textures, filesize: 257 MB), PNG (PNG, filesize: 100 MB), JPG (JPG, filesize: 100 MB), DAE (Collada, filesize: 2.28 MB), STL (Stereolithography, filesize: 5.54 MB), UASSET (UnrealEngine, filesize: 44.1 MB), OTHER (Other, filesize: 10.3 MB)