This is our 'stair helper'. As described here, I'm not a fan of all-in-one solutions for stairs or other complicated assemblies. I would rather build from discrete parts, each of which does its own job well. The main structure of a stair consists of slabs for landings and Stair Body objects for the flights. The railings and newels are separate.
The RiserMeter is one piece of the whole stair method complex. It performs several helpful tasks: