Check out Geodesic Dome with Door Opening and enclosure Panels and Base 3D model on CGTrader for $22. High-quality mesh by modernarchstudio.
STL (Stereolithography, filesize: 15.9 MB), OBJ (OBJ, filesize: 38.6 MB), 3DS (3D Studio, filesize: 8.28 MB), 3DM (Rhinoceros 3D, filesize: 10.5 MB), FBX (Autodesk FBX, filesize: 5.14 MB), DXF (DXF, filesize: 6.72 MB), DWG (AutoCAD, filesize: 1.13 MB), STP (STEP, filesize: 6.08 MB), DAE (Collada, filesize: 25.9 MB)