What's Changed
* Add option to customise scaling of wireframe plots by ortk95 in https://github.com/ortk95/planetmapper/pull/335
* Add `plot_wireframe_custom` method, to create wireframe plots using user-defined coordinate systems by ortk95 in https://github.com/ortk95/planetmapper/pull/336
* Update version by ortk95 in https://github.com/ortk95/planetmapper/pull/337
**Full Changelog**: https://github.com/ortk95/planetmapper/compare/v1.9.0...v1.9.1