This fits the mst rmx 2.0. Not only is it a caliper, but it also can be used to add wheel weights by screwing in a m3 stud and threading on a weight. I might recommend adding an extra cube to print along with this for layer cooling, unless you're printing all 4 at once. Resolution is up to you. I used .2.

Wanhao

Wanhao Duplicator i3 Plus

Doesn't Matter

Yes

.2 /.1

100

I recommend printing it in the orientation shows in the picture.