Figure 63 load the family into project

Building elements (casement window)

Figure 64 Open new window family template

Figure 65 release lock parameters for width and height. set both as instance parameters

Figure 66 create reference planes for window frame

Figure 67 create extrusion for window frame. lock it to reference plane

Figure 68 set and lock dimension for reference plane of window frame.

Figure 69 create parameters for window opening

Figure 70 create reference plane for window frame opening

Figure 71 create extrusion for window frame. lock it to reference plane

Figure 72 set and lock dimension for window frame opening

Figure 73 create reference plane for window frame thickness

Figure 74 move and lock window frame opening to reference plane

Figure 75 create and lock glass extrusion to reference plane

Figure 76 create reference plane for glass thickness

Figure 77 move and lock glass thickness to reference plane

Figure 78 create and lock dimension to reference plane

Figure 79 create material for glass

Figure 80 create material for window frame using instance parameters