Counter Ring

Default inner diameter of ring is 20.5 mm

Print Quantities
2x - counter ring v2 right.stl
1x - counter ring base tall.stl
1x - counter ring v2 middle.stl
2x - Ring Counter Numbers.stl
1x - counter ring v2 base .stl

Print the middle ring at 102% for loose fit. (Loose fit lets it flex without friction)
Shape middle ring with heat source at roughly 45 degrees

I used a clamp and super glue to connect the two bases together