Building the first scaffolding

As I got slats to put together and create a scaffolding, I remembered one attempt my classmates and I had done to build the displays for the Tate Exchange, using strings and rods. I made a research about how use knots with twine to keep together 2 slats tightly and I found a good result:

Sketches on how big should have been and so how much material I would have needed.