Macap M2 (M2M, M2D) 90 Step Mod (almost stepless)

If you also feel that the number of steps in the M2 models is just a bit too little, this mod will give you 90 steps.
For me it is exactly what I wanted.
The very big plus is that the new top ring I designed has really 90 visible steps and you can just set it to "10" and remember 10 more easily than e.g. "2 3/8" as with the original ring. Very helpful if you change beans a lot.
Also, the new ring looks better than the original (which i rare with 3D printed parts, I think) and feels like an visual upgrade.

I printed the stepped ring with PETG, although I guess PLA would also work.
PLA for the rest if fine.
You'll need (tree) supports for the TOP ring, with the numbers facing up.

The extra hole in the top ring is for an M2 screw (see pics) to fix it in position. It is not strictly necessary, though.

The "Stopper" is optional an will if slipped over the locking pin limit the depth it will push into the printed ring. The idea was, if a printed hole is just a bit out of step with an orig