Balvaird Castle Low-poly 3D model is available on CGTrader for $24. Original author: Tridity-studio. Specs: 2747 polys, 3166 verts.
OBJ (OBJ, filesize: 450 KB), PNG (PNG, filesize: 668 MB), OTHER (Other, filesize: 6.7 MB), DWG (AutoCAD, filesize: 246 KB), FBX (Autodesk FBX, filesize: 231 KB), 3DS (3D Studio, filesize: 238 KB), MAX (Autodesk 3ds Max, filesize: 1.15 MB), DXF (DXF, filesize: 1.64 MB)