-BIMWINDOWCREATE command
Creates a fully parametric window or opening based on a closed contour.

Description
Creates parametric windows using as profile any entity such as a boundary, a closed polyline or grid.
Note: This command operates at the Command line.
            Options
- wIndow
 - Creates a BIM Window entity. An opening in the solid on which the profile entity lies is created automatically.
 
- Opening
 - Creates an opening in the solid on which the profile entity lies. The opening is created by a solid on the BIM_SUBTRACT layer. This layer is frozen by default. Thaw the layer to select the opening.
 
- Panel type
 - 
                            
                                        Single
                                        Double Vertical
                                        Double Horizontal
                                        Triple Vertical
                                        Triple Bottom
                                        Triple Top
                                        Triple Left
                                        Triple Right
                                        Triple Horizontal