that doesn't give you step-level accuracy. Some systems do this- for example Prusa MK3 and newer don't have physical endstops, instead they monitor current. A

that doesn't give you step-level accuracy. Some systems do this- for example Prusa MK3 and newer don't have physical endstops, instead they monitor current. And FluidNC supports this but clearly points out you shouldn't use it for step-level accuracy.