Lun-class ekranoplan project 903 Low-poly 3D model is available on CGTrader for $65. Original author: citizensnips. Specs: 41292 polys, 42240 verts.
MAX (Autodesk 3ds Max, filesize: 7.53 MB), BLEND (Blender, filesize: 8.98 MB), OBJ (OBJ, filesize: 5.68 MB), FBX (Autodesk FBX, filesize: 2.71 MB), TEXTURES (Textures, filesize: 36.8 MB), DAE (Collada, filesize: 11.6 MB)