I just skimmed the source code and it looks like you could add support for other aspect ratios really easily. Not sure if OP is accepting pull requests. EDIT:

I just skimmed the source code and it looks like you could add support for other aspect ratios really easily. Not sure if OP is accepting pull requests. EDIT: I went ahead and added quick support for other aspect ratios myself. Feel free to use it. https://gist.github.com/CivBase/92f1b387c4c98d24481ec28ea2fccc0d https://gist.github.com/CivBase/92f1b387c4c98d24481ec28ea2fc...