I printed a version of this set (modified and added to). I added a couple extra color stops on some (like Noctis city has a black layer between the walls and the city). I also added some additional city tiles, different sea tiles. I didn't like that the mining rights and mining area are just mirrors of each other, so I made a modified Gale Crater tile (an actual place on mars) for the mining rights. These really make the game pop and have great table presence. You'll want about 20 forest tiles and about the same number of city tiles in addition to all the oceans (9) and specialty tiles.
Amazon Basics PLA
Gold, Silver Copper AB brand, Gold Happens Fillamentum, and some other random colors (green, blue, black)
I found the tiles to be just ever-so-slightly large (creator said they cover the lines between tiles on the board), but the cube holder on most are a little small (the cubes rest ON, not IN the square holder) - not a big deal as the board typically doesn't move or get jostled, but a sad thing to discover after printing 70 tiles...
I did the single extruder multi-color trick. Prusa Slicer has a native setting to add a filament change in, which was really helpful in determining where the color change would occur.