A theme with single convex "old" Yunzi stones and a bamboo board for Sabaki, Rendered in Blender using a hard outdoor HDRI.
Download the theme file and install it directly inside Sabaki under 'Preferences' > 'Themes' > 'Install Theme...'.
To create a Sabaki theme archive, install dependencies using npm, then run the build script:
npm install
npm run build
This will create antique.sabakitheme.asar.
Everything is released under public domain.