This is a remix of a life counter i found at thingiverse. The tolerances didn't work for me, so i remodeled the whole thing in openSCAD.

If you want to do your own version and want to use the same font, you have to download it (cannot upload here) at

Morris Roman Black Schriftart - 1001 Free Fonts

place in a “Fonts” subfolder as indicated in the .scad file and play with the parameters.