A Dog’s Breakfast
1. Offset From Path
This is an instance property, which is applied to the whole railing and all its sub-elements. It represents a notional centreline of the railing, offset laterally (sideways) from the railing sketch line, which is placed on the edge of stair runs and landings by default.
Unfortunately there is a built-in system default value of 25.4mm, which is one inch. The logic to this is obscure – it only works if your top rail happens to be 50.8mm (two inches), and…