Terraforming Mars oxygen level tracker
thingiverse
3D marker for tracking oxygen percentage amount level on board. Nice to see comments what to improve (size, elements, etc.)
Download Model from thingiverse
With this file you will be able to print Terraforming Mars oxygen level tracker with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Terraforming Mars oxygen level tracker.