Short description of AcadCalcStair 02: AcadCalcStair - Stair and Rail Auto drafting program + Calculator for AutoCAD. Main features: · STAIRS & RAILS. Parametrical Modeling and Auto Drafting. On the base of parameters the program creates the drawing: Stair Plan and Elevation with all main dimensions. Available options: apply different scale; Visible or Hidden (behind the wall) representation of Stair Elevation