Bassed on a russian Typhoon class submarine, made in Blender 4.3, using only materials and no textures, animations include: animated periscope, propeller and antenae, low poly and optimised for game engines.
STL (Stereolithography, filesize: 99.4 KB), BLEND (Blender, filesize: 1.37 MB), FBX (Autodesk FBX, filesize: 383 KB), GLTF (glTF, filesize: 215 KB)