Metal construction

This metal construction I design for Proffessional exam. Material used: S235JR; S355JR Dimensions ISO 2768-m Weld preperation ISO 9692-1 Welding tolerances ISO 13920-B Welding class ISO 5817-C Note: I didn't put final connecting and other parts (washers, nuts and screws) due to my computer hardware limitation. If you have any improvements or suggestion, it will be useful for next projects.