If you want the full version and license for commercial use,
you can purchase here :
https://staircaselab.com/product/flatland/
File Font Version :
1. Flatland.otf
2. Flatland.ttf
3. Flatland.woff
4. Flatland Swash.otf
5. Flatland Swash.ttf
6. Flatland Swash.woff