Glanced very quickly at this and was reminded (after looking at the diagram) of a primary school 'project' linking Maths with Art! We called it the golden rectangle......
We also had fun changing cuboids into cubes (thanks to my collection of M&S individual filter coffee boxes, which happen to have square bases!)
Apologies to thatbags and Theseus for lowering the tone
34 year old assisted euthanasia