RE: Question building polyhedral wing, and wings in general
The hingeing issue for a nice building board had me stumped as well until I got the idea of KISS. Here's the results in a little schematic. I'd show pictures of them but the boards are packed in a box in the garage behind a huge number of other boxes. The boards and rest of my model stuff won't see the light of day until the basement shop renos are done. And I mean T bar ceilings, proper lighting and electrical, finished walls and even click together engineered wood flooring along with kitchen like cabinets for storage.
In the meantime here's a sketch of what I'm using that works superbly.