Check out Diagonal Wireframe Dome Architectural Stand Alone Structure v3 3D model on CGTrader for $22. High-quality mesh by modernarchstudio.
STL (Stereolithography, filesize: 161 MB), OBJ (OBJ, filesize: 37.5 MB), DWG (AutoCAD, filesize: 1.81 MB), DXF (DXF, filesize: 12.4 MB), DAE (Collada, filesize: 39.6 MB), 3DM (Rhinoceros 3D, filesize: 12 MB), 3DS (3D Studio, filesize: 7.17 MB), FBX (Autodesk FBX, filesize: 5.35 MB), STP (STEP, filesize: 6.79 MB)