You can use one of the automatic special joint types for stairs. The dialog box offers various choices to accurately define the stair angle anchor type, according to your project needs.
To watch the full series: https://www.youtube.com/playlist?list=PLtRKk64pu2wrcWCs8asfMWIJqKDMSr_Cv Help fund this YouTube channel by purchasing my in-depth Mercedes repair videos. Over 160 available https://mercedessource.com/store/search?keys=&category=All&chassis=All&location=All&type_1=2&condition=All or purchase my repair kits https://mercedessource.com/store/search?keys=&category=217&chassis=All&location=All&type_1=All&condition=All or specialty tools : https://mercedessource.com/store/search?keys=&category=All&chassis=All&location=All&type_1=2&condition=All