Submarine Agosta Low-poly 3D model is available on CGTrader for $125. Original author: digitalagents. Specs: 5314 polys, 5434 verts.
MA (Autodesk Maya, filesize: 2.17 MB), OBJ (OBJ, filesize: 1.17 MB), FBX (Autodesk FBX, filesize: 718 KB), MAX (Autodesk 3ds Max, filesize: 1.88 MB)