Color code rings for depth stops

I really like the drill stops designed by mishkin2, but I found it pretty hard to grab the right size on the first view. After printing them in different colors, it worked better but still I had to remember which color belongs to which diameter. Therefore I decided to make it even easier to use: I created some very fast and easy to print color coding rings for my drills which are printed in the same color as the depth stops. The rings can be mounted on the drills shank, ideally directly below th