This is the second part of an author’s article published in QuaderniCIRD No. 17/2018. It presents the steps of an educational path in geometry aimed at students in secondary school. The focus is mainly on constructions of quadrilaterals. The author shows various ways in which the quadrilaterals can be constructed. He does it by folding paper to reproduce the shapes of the construction that each time can be taken as a starting point.
