This model contain an old steel canopy dated 1950 and built in north italy.
I made this file with Revit , and i also imported and checked in 3ds max
The render are made with lumion 8pro, the render file is included
File format: Dwg 3ds Rvt Dae Fbx
The model was checked with 3ds max - Autocad - Autodesk Revit - Lumion - Maya whit a gaming laptop that has i7 8750h and Nvidia 1060 6gb and work fine. I didnt check with blender, if yuo build this file for blender, it probably work fine but i cant garantee for that software.