Now I've finished my additional tiles collection for Terraforming Mars Big Box:
- Cupola City
- Domed Crater
- Dawn City
- Field-Capped City
- Ganymede Colony
- Gyropolis
- Luna Metropolis
- Maxwell Base
- Noctis City
- Phobos Space Haven
- Research Outpost
- Space Port
- Stanford Torus
- Stratopolis
You can download them for free here: https://www.thingiverse.com/thing:5027653
For both tiles cupola city and domed crater I ordered clear plastic balls from Amazon - for domed crater I had to cut off a part.
Have fun!