Unitized & stick systems, Skylight roofs & Fabrication drawing from sketch

Project 1 - Unitized system Project 2- Unitized system Project 3 -Stick system Project 4 – Railings and panel system Project 5 - Skylight
autocad cad step shop-drawings autodesk-inventor 3d-cad building-design 3d-models engineering-drawings facade fabrication-drawings dwg curtain-wall aluminum-frame skylight