Lightweight Steel Frame Design

This is my daily work, designing lightweight steel bars in the form of profiles C and battens into a single roof frame.
The program I use is Bricscad software from Australia, guaranteed the accuracy of the calculation and the quick process.
In addition to designing the framework, I also minimize waste (waste of materials due to the inefficiency of cutting the material so that a lot of waste material remains) by using the cutting pattern of the Truss Optimizer program.