Check out Diagonal Wireframe Dome Architectural Stand Alone Structure v2 3D model on CGTrader for $22. High-quality mesh by modernarchstudio.
STL (Stereolithography, filesize: 116 MB), OBJ (OBJ, filesize: 26.3 MB), DAE (Collada, filesize: 26.5 MB), 3DS (3D Studio, filesize: 5.13 MB), DXF (DXF, filesize: 9.48 MB), FBX (Autodesk FBX, filesize: 3.83 MB), DWG (AutoCAD, filesize: 1.38 MB), 3DM (Rhinoceros 3D, filesize: 8.04 MB), STP (STEP, filesize: 4.23 MB)