Check out Geodesic Dome Pavilion Architectural structure with Entry 3D model on CGTrader for $22. High-quality Polygon mesh mesh by modernarchstudio: 100 polys, 100 vertices.
STL (Stereolithography, filesize: 15.3 MB), OBJ (OBJ, filesize: 31.4 MB), DXF (DXF, filesize: 12.4 MB), SKP (Sketchup, filesize: 37.1 MB), FBX (Autodesk FBX, filesize: 4.89 MB), 3DS (3D Studio, filesize: 7.51 MB), DAE (Collada, filesize: 24.2 MB), DWG (AutoCAD, filesize: 6.56 MB), 3DM (Rhinoceros 3D, filesize: 5.85 MB)