Terraforming Mars - Gen, Temp, Oxygen Markers

thingiverse

Human: Replacements for tracking cubes are created to monitor global parameters. Designed large enough, they cover numbers before and after the tracker with a window to display current numbers.\r\n\r\nThin walls, despite being strengthened by PLA cooling, won't break under normal usage. Curling on edges remains an issue due to the object's thinness. Even on heated beds, a small amount of glue is used to prevent curling.