As a workaround: you can save your own glass/window (not the whole thing, but the glass that goes in it) as a custom object. Just draw a cross by making 4 triangles together with 4 different (copies) of glass material. It should stretch to fit your windows.
Erwin Edel, Project Lead, Leloup Architecten
www.leloup.nlArchiCAD 9-26NED FULL
Windows 10 Pro
Adobe Design Premium CS5