Scaligero Castle - Sirmione Low-poly (Polygon mesh 3D model) is available on CGTrader for $24. Original author: SENSIET. Specs: 134269 polys, 84453 verts.
BLEND (Blender, filesize: 21.4 MB), OBJ (OBJ, filesize: 2.88 MB), FBX (Autodesk FBX, filesize: 10.3 MB), DAE (Collada, filesize: 9.53 MB), STL (Stereolithography, filesize: 6.4 MB), TEXTURES (Textures, filesize: 6.14 MB)