Many people do not like the custom stair tool and it has been removed from…
Vectorworks Tip 418 – Creating a Dog-Leg Stair With The Custom Stair Tool
Remember that the custom stair tool is designed to be used as a kit of parts. This means that to create a dogleg stair we need three parts: a straight flight, a U-Landing, and a straight flight for the final part of the stair. Once you understand that the stair uses a kit of parts, it becomes much easier to create the stair that you want.