Another style of living hinge, cut by hand. Something similar could be done to create a full adjustable light fitting. The cuts would need to be supported with something to allow control over a light source.
Small House Folding Interior - Japanese designers Atelier OPA created a unique set of products, which are perfect for small spaces. Includes a mobile home office, a small kitchen, and a guest room (pictured). When not in use, fold your furniture away.
this coffee table represents functionalism because it functions first as a small table, but then extends at will to accomodate bigger things to be sat upon it, without falling through the holes, of course.