Probably linked to new `bsplines2d` indexing rule in https://github.com/ToFuProject/bsplines2d/pull/133 <img width="710" height="1502" alt="Image" src="https://github.com/user-attachments/assets/8dc95b62-fc5c-4324-9d90-84afa815e9f4" /> See https://github.com/ToFuProject/bsplines2d/issues/134
