Curtain Wall Corners in Archicad Tutorial - YouTube
Custom Curtain Wall ArchiCAD - YouTube
How to: Butt Jointed Glass Windows in ArchiCAD | Gideon's desk…
TheRevitKid.com! - Tutorials, Tips, Products, and Information on all things Revit / BIM: Revit Tutorial - Create "Butt Glazing" in a Curtain Wall / Storefront