I’ve been carrying around this chair idea in my head for a long time. Recently I decided to get it out of my head and build a 3D model of it so it would quit bothering me. The idea is based on a simple notion of designing a single vertebra-inspired structural element which, when duplicated and configured properly, could be used to build an adjustable chair. The chair shown below represents just one possible configuration. This is just the first draft. I’m already thinking about the weaknesses inherent in this design and how I might address them to make it easier to build, adjust, manufacture, etc. Still, it was a fun exercise. What do you think?