- Add support for visualization of radial grids as cylindrical cells - Make sure test models imports correctly - Make sure cell filtering works as expected - Create refinement if the angular cell count is too small Snapshot from the Opm-flow manual <img width="897" height="714" alt="Image" src="https://github.com/user-attachments/assets/c07dc532-61e8-4889-b221-9bb3d2c84fc8" />