Check out Medieval Castle Concentrated English or French Style Low-poly 3D model on CGTrader for $2.2. High-quality mesh by faxrisi: 10079 polys, 12066 vertices. Textured.
STL (Stereolithography, filesize: 2.13 MB), PLY (Ply, filesize: 1.23 MB), ABC (Alembic, filesize: 772 KB), FBX (Autodesk FBX, filesize: 589 KB), BLEND (Blender, filesize: 58.2 MB), DAE (Collada, filesize: 3.58 MB), GLTF (glTF, filesize: 21.1 MB), JPG (JPG, filesize: 8.96 MB)