It's very simple to adjust all dimensions of the all struture. Full adjustable on the 3dsketch for you dimension need. If you are learning 3dsketch and weldments this model will help you.

This model include:

• Part file made with 3dsketch and weldments (to add the ISO 100x100 Tubes) on SolidWorks 2020.
• Drawing file with automatic cut list (check the picture)
• STL file case you need to print the model

Any questions I will reply soon as possible