http://idkul.com/presentation/flipphone.html

This is an invention. the Flip phone is based on a concept conceived during a 6-week long workshop done by my Kristian Ulrich Larsen, Ewa Sendecka, Jeppe Vestergård and Victoria Kusk. It was then developed further for a semester by Kristian Ulrich Larsen as part of her MA program.

this relates to engineering because they had to know if it would fold correctly so they had to engineer the answer.