Drawing Problems - Chapter 6 Copyright Goodheart-Willcox Co., Inc. 150 AutoCAD and Its Applications—Advanced 8. Architectural Create the stairway shown below using the following parameters. Save the file as P6-8. A. Use the detail for the riser and tread dimensions. B. There are 13 risers. C. The stairs are 42″ wide. D. The landing at the top of the stairs is 48″ long from the face of the last riser. E. The vertical wall is 15′-1″ high on the inside and 17′-7″ long. F. The floor is 8′ wide on the inside and 17′-7″ long. G. Draw the floor and the wall as 1″ thick. H. The center of the banister is 3″ away from the wall and 34″ above the steps. I. The ends of the banister are directly above the face of the first and last riser. J. Use the detail for the profile of the banister. Use EXTRUDE as needed.