New element for window SmartParts and door SmartParts

When creating a Window SmartPart or Door SmartPart ( Window SmartPart and Door SmartPart tools in the Opening Elements task area), you can select the Cross muntins element.
You define how many cross muntins you want to create in the vertical and horizontal directions. In addition, you enter the widths and depths of the mullions and transoms and select a surface. You can also define the depth of glass.