Door Maker 3.1 for R - NOW Includes a preview box to view the door you are going to be placing in the drawing. Also new 3.1 retains settings from prev. use. This is a very fast and easy way of placing doors in walls, It uses a easy to understand dialog box that allows you to choose from a list of different doors including Left-handed, Right-handed, Double, Bi-fold, Double Bi-Fold, and sliding doors. The program not only places the door in the wall but it also places the jams on the same layer as your walls, and trims out the walls between the jams.