We've been busy creating the next major release of Stripy. To refresh your memory, Stripy is a Python tool for triangulating scattered points either in Cartesian coordinates or on the sphere. It wraps a bunch of Fortran codes in a neat, object-oriented Python interface that can be used for many geographical applications. What's new? Spline tension - a lot of data transformations in Stripy are underpinned by cubic splines (e.g.